./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V --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 4c7dacdb83136a121d00fa327d1c2830046f2fd343e670a23a7fced247adecf0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:45:05,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:45:05,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:45:05,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:45:05,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:45:05,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:45:05,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:45:05,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:45:05,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:45:05,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:45:05,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:45:05,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:45:05,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:45:05,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:45:05,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:45:05,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:45:05,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:45:05,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:45:05,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:45:05,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:45:05,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:45:05,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:45:05,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:45:05,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:45:05,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:45:05,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:45:05,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:45:05,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:45:05,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:45:05,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:45:05,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:45:05,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:45:05,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:45:05,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:45:05,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:45:05,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:45:05,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:45:05,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:45:05,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:45:05,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:45:05,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:45:05,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:45:05,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:45:05,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:45:05,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:45:05,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:45:05,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:45:05,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:45:05,312 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:45:05,313 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:45:05,313 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:45:05,313 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:45:05,315 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:45:05,315 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:45:05,316 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:45:05,316 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:45:05,316 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:45:05,317 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:45:05,317 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:45:05,317 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:45:05,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:45:05,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:45:05,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:45:05,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:45:05,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:45:05,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:45:05,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:45:05,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:45:05,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:45:05,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:45:05,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:45:05,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:45:05,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:45:05,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:45:05,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:45:05,326 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:45:05,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:45:05,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:45:05,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:45:05,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:45:05,327 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c7dacdb83136a121d00fa327d1c2830046f2fd343e670a23a7fced247adecf0 [2021-11-23 02:45:05,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:45:05,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:45:05,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:45:05,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:45:05,794 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:45:05,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-23 02:45:05,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/data/df05069f1/bc3dd10992364f539d55b17a63482385/FLAG47b5b3b2c [2021-11-23 02:45:07,329 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:45:07,330 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-23 02:45:07,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/data/df05069f1/bc3dd10992364f539d55b17a63482385/FLAG47b5b3b2c [2021-11-23 02:45:07,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/data/df05069f1/bc3dd10992364f539d55b17a63482385 [2021-11-23 02:45:07,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:45:07,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:45:07,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:45:07,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:45:07,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:45:07,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:45:07" (1/1) ... [2021-11-23 02:45:07,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae12ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:07, skipping insertion in model container [2021-11-23 02:45:07,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:45:07" (1/1) ... [2021-11-23 02:45:07,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:45:08,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:45:15,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525646,525659] [2021-11-23 02:45:15,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525812,525825] [2021-11-23 02:45:15,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525976,525989] [2021-11-23 02:45:15,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[526141,526154] [2021-11-23 02:45:15,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:45:15,363 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:45:16,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525646,525659] [2021-11-23 02:45:16,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525812,525825] [2021-11-23 02:45:16,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[525976,525989] [2021-11-23 02:45:16,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i[526141,526154] [2021-11-23 02:45:16,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:45:17,245 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:45:17,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17 WrapperNode [2021-11-23 02:45:17,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:45:17,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:45:17,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:45:17,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:45:17,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:17,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:18,054 INFO L137 Inliner]: procedures = 667, calls = 4931, calls flagged for inlining = 350, calls inlined = 343, statements flattened = 12869 [2021-11-23 02:45:18,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:45:18,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:45:18,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:45:18,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:45:18,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:18,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:18,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:18,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:18,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:18,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:18,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:18,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:45:18,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:45:18,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:45:18,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:45:18,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (1/1) ... [2021-11-23 02:45:18,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:45:19,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:45:19,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:45:19,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22947814-a757-490f-a703-4b7d06d31cf9/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:45:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-11-23 02:45:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-11-23 02:45:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-23 02:45:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-23 02:45:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-11-23 02:45:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-11-23 02:45:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-11-23 02:45:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-11-23 02:45:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 02:45:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 02:45:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:45:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:45:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-23 02:45:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-23 02:45:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-11-23 02:45:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-11-23 02:45:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-11-23 02:45:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-11-23 02:45:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-11-23 02:45:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-11-23 02:45:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-11-23 02:45:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-11-23 02:45:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:45:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:45:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-23 02:45:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-23 02:45:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 02:45:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 02:45:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-11-23 02:45:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-11-23 02:45:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-11-23 02:45:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-11-23 02:45:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-11-23 02:45:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-11-23 02:45:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-11-23 02:45:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-11-23 02:45:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-11-23 02:45:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-11-23 02:45:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-11-23 02:45:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-11-23 02:45:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-11-23 02:45:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-11-23 02:45:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-23 02:45:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-23 02:45:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-11-23 02:45:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-11-23 02:45:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-11-23 02:45:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-11-23 02:45:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:45:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:45:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:45:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:45:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-11-23 02:45:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-11-23 02:45:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-23 02:45:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-23 02:45:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-11-23 02:45:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-11-23 02:45:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:45:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:45:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-11-23 02:45:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-11-23 02:45:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-11-23 02:45:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-11-23 02:45:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:45:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-11-23 02:45:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-11-23 02:45:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-11-23 02:45:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-11-23 02:45:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 02:45:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 02:45:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 02:45:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 02:45:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-23 02:45:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-23 02:45:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 02:45:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 02:45:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 02:45:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 02:45:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-23 02:45:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-11-23 02:45:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:45:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:45:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 02:45:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 02:45:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:45:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:45:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-23 02:45:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-23 02:45:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-23 02:45:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-23 02:45:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:45:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-23 02:45:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-23 02:45:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-11-23 02:45:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-11-23 02:45:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-11-23 02:45:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-11-23 02:45:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-11-23 02:45:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-11-23 02:45:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-11-23 02:45:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-11-23 02:45:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-23 02:45:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-23 02:45:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 02:45:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 02:45:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-11-23 02:45:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-11-23 02:45:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-11-23 02:45:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-11-23 02:45:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 02:45:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 02:45:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:45:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:45:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-11-23 02:45:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-11-23 02:45:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-11-23 02:45:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-11-23 02:45:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-23 02:45:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-23 02:45:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-11-23 02:45:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-11-23 02:45:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-23 02:45:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-23 02:45:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:45:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-23 02:45:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-23 02:45:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-11-23 02:45:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-11-23 02:45:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:45:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:45:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:45:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:45:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:45:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-11-23 02:45:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-11-23 02:45:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 02:45:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 02:45:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:45:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:45:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:45:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-11-23 02:45:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-11-23 02:45:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:45:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:45:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 02:45:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 02:45:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 02:45:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 02:45:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 02:45:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 02:45:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-11-23 02:45:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-11-23 02:45:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 02:45:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 02:45:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 02:45:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 02:45:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 02:45:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 02:45:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 02:45:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 02:45:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-11-23 02:45:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-11-23 02:45:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-23 02:45:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-23 02:45:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-11-23 02:45:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-11-23 02:45:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:45:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:45:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-11-23 02:45:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-11-23 02:45:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:45:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 02:45:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 02:45:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 02:45:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 02:45:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-11-23 02:45:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-11-23 02:45:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 02:45:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 02:45:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-11-23 02:45:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-11-23 02:45:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:45:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-23 02:45:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-23 02:45:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-11-23 02:45:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-11-23 02:45:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:45:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:45:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 02:45:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 02:45:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:45:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-11-23 02:45:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-11-23 02:45:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:45:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:45:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:45:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 02:45:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 02:45:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-23 02:45:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-23 02:45:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:45:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:45:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-23 02:45:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-23 02:45:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-11-23 02:45:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-11-23 02:45:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-11-23 02:45:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-11-23 02:45:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:45:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:45:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-11-23 02:45:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-11-23 02:45:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-23 02:45:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-23 02:45:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-11-23 02:45:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-11-23 02:45:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 02:45:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 02:45:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 02:45:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 02:45:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-23 02:45:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-23 02:45:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:45:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:45:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-11-23 02:45:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-11-23 02:45:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 02:45:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 02:45:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-11-23 02:45:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-11-23 02:45:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-23 02:45:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-23 02:45:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-11-23 02:45:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-11-23 02:45:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:45:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:45:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-11-23 02:45:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-11-23 02:45:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-23 02:45:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-23 02:45:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-11-23 02:45:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-11-23 02:45:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-11-23 02:45:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-11-23 02:45:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:45:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:45:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-23 02:45:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-23 02:45:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-23 02:45:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-23 02:45:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 02:45:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 02:45:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-11-23 02:45:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-11-23 02:45:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-23 02:45:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-23 02:45:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-11-23 02:45:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-11-23 02:45:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-11-23 02:45:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-11-23 02:45:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:45:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:45:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:45:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:45:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-11-23 02:45:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-11-23 02:45:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:45:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:45:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-23 02:45:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-23 02:45:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-11-23 02:45:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-11-23 02:45:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-11-23 02:45:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-11-23 02:45:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 02:45:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 02:45:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 02:45:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 02:45:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 02:45:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 02:45:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 02:45:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 02:45:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 02:45:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 02:45:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 02:45:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-11-23 02:45:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-11-23 02:45:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-23 02:45:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-23 02:45:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-23 02:45:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-23 02:45:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-23 02:45:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-23 02:45:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:45:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:45:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-23 02:45:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-11-23 02:45:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-23 02:45:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-23 02:45:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-11-23 02:45:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-11-23 02:45:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-23 02:45:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-23 02:45:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 02:45:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 02:45:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-11-23 02:45:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-11-23 02:45:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-11-23 02:45:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-11-23 02:45:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 02:45:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 02:45:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:45:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:45:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:45:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-11-23 02:45:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-11-23 02:45:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-11-23 02:45:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-11-23 02:45:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 02:45:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 02:45:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:45:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-11-23 02:45:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-11-23 02:45:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-11-23 02:45:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-11-23 02:45:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-11-23 02:45:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-11-23 02:45:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-23 02:45:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-23 02:45:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:45:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-11-23 02:45:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-11-23 02:45:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:45:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:45:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-11-23 02:45:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-11-23 02:45:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-23 02:45:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-23 02:45:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:45:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:45:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 02:45:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 02:45:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-11-23 02:45:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-11-23 02:45:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-11-23 02:45:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-11-23 02:45:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 02:45:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 02:45:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-23 02:45:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-23 02:45:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 02:45:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 02:45:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 02:45:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 02:45:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-23 02:45:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-23 02:45:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-11-23 02:45:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-11-23 02:45:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-23 02:45:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-23 02:45:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-11-23 02:45:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-11-23 02:45:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:45:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:45:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-11-23 02:45:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-11-23 02:45:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-11-23 02:45:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-11-23 02:45:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-11-23 02:45:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-11-23 02:45:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-11-23 02:45:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-11-23 02:45:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-11-23 02:45:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-11-23 02:45:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-11-23 02:45:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-11-23 02:45:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-23 02:45:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-23 02:45:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-11-23 02:45:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-11-23 02:45:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-11-23 02:45:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-11-23 02:45:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-11-23 02:45:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-11-23 02:45:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-11-23 02:45:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-11-23 02:45:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 02:45:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 02:45:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 02:45:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 02:45:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-11-23 02:45:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-11-23 02:45:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-23 02:45:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-23 02:45:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-11-23 02:45:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-11-23 02:45:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:45:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:45:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-23 02:45:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-23 02:45:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:45:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:45:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:45:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-11-23 02:45:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-11-23 02:45:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-11-23 02:45:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-11-23 02:45:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-11-23 02:45:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-11-23 02:45:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-11-23 02:45:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-11-23 02:45:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:45:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:45:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-11-23 02:45:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-11-23 02:45:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-11-23 02:45:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-11-23 02:45:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-11-23 02:45:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-11-23 02:45:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 02:45:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 02:45:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-11-23 02:45:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-11-23 02:45:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-11-23 02:45:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-11-23 02:45:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 02:45:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 02:45:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-23 02:45:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-23 02:45:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 02:45:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 02:45:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-11-23 02:45:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-11-23 02:45:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-11-23 02:45:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-11-23 02:45:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-11-23 02:45:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-11-23 02:45:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-11-23 02:45:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-11-23 02:45:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-23 02:45:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-23 02:45:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-23 02:45:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-23 02:45:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-11-23 02:45:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-11-23 02:45:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-23 02:45:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-23 02:45:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 02:45:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 02:45:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-11-23 02:45:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-11-23 02:45:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-11-23 02:45:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-11-23 02:45:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 02:45:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 02:45:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-23 02:45:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-23 02:45:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:45:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:45:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-11-23 02:45:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-11-23 02:45:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-23 02:45:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-23 02:45:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:45:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:45:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:45:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:45:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-11-23 02:45:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-11-23 02:45:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:45:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:45:19,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:45:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-23 02:45:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-23 02:45:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-11-23 02:45:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-11-23 02:45:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 02:45:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 02:45:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-23 02:45:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-23 02:45:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-11-23 02:45:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-11-23 02:45:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-11-23 02:45:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-11-23 02:45:19,207 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-11-23 02:45:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-11-23 02:45:21,134 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:45:21,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:45:21,599 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:59:02,369 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 02:59:02,582 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:59:08,952 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:59:08,952 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 02:59:08,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:08 BoogieIcfgContainer [2021-11-23 02:59:08,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:59:08,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:59:08,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:59:08,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:59:08,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:45:07" (1/3) ... [2021-11-23 02:59:08,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602ede57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:08, skipping insertion in model container [2021-11-23 02:59:08,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:17" (2/3) ... [2021-11-23 02:59:08,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602ede57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:08, skipping insertion in model container [2021-11-23 02:59:08,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:08" (3/3) ... [2021-11-23 02:59:08,968 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-23 02:59:08,973 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:59:08,973 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:59:09,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:59:09,042 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:59:09,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:59:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 3302 states, 2024 states have (on average 1.2959486166007905) internal successors, (2623), 2068 states have internal predecessors, (2623), 1044 states have call successors, (1044), 234 states have call predecessors, (1044), 233 states have return successors, (1039), 1027 states have call predecessors, (1039), 1039 states have call successors, (1039) [2021-11-23 02:59:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 02:59:09,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:09,151 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:59:09,152 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:59:09,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:09,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1360575847, now seen corresponding path program 1 times [2021-11-23 02:59:09,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:09,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779231084] [2021-11-23 02:59:09,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:09,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:59:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:59:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2021-11-23 02:59:10,746 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:59:10,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779231084] [2021-11-23 02:59:10,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779231084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:59:10,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:59:10,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:59:10,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868271726] [2021-11-23 02:59:10,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:59:10,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:59:10,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:59:10,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:59:10,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:59:10,795 INFO L87 Difference]: Start difference. First operand has 3302 states, 2024 states have (on average 1.2959486166007905) internal successors, (2623), 2068 states have internal predecessors, (2623), 1044 states have call successors, (1044), 234 states have call predecessors, (1044), 233 states have return successors, (1039), 1027 states have call predecessors, (1039), 1039 states have call successors, (1039) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-23 02:59:12,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []