./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7 --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 1edb5588f581ece02eeb7885d279245e7d621dcbbbff2078bbf89ecbc6fe3a95 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:51:14,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:51:14,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:51:14,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:51:14,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:51:14,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:51:14,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:51:14,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:51:14,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:51:14,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:51:14,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:51:14,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:51:14,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:51:14,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:51:14,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:51:14,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:51:14,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:51:14,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:51:14,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:51:14,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:51:14,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:51:14,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:51:14,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:51:14,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:51:14,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:51:14,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:51:14,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:51:14,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:51:14,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:51:14,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:51:14,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:51:14,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:51:14,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:51:14,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:51:14,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:51:14,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:51:14,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:51:14,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:51:14,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:51:14,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:51:14,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:51:14,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 17:51:14,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:51:14,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:51:14,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:51:14,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:51:14,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:51:14,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:51:14,207 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:51:14,207 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:51:14,208 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:51:14,208 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:51:14,208 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:51:14,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:51:14,209 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:51:14,209 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:51:14,209 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:51:14,210 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:51:14,210 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:51:14,210 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:51:14,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:51:14,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:51:14,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:51:14,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:51:14,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:51:14,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:51:14,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:51:14,213 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:51:14,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:51:14,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:51:14,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:51:14,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:51:14,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:51:14,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:51:14,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:51:14,215 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:51:14,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:51:14,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:51:14,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:51:14,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:51:14,217 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_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1edb5588f581ece02eeb7885d279245e7d621dcbbbff2078bbf89ecbc6fe3a95 [2021-11-25 17:51:14,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:51:14,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:51:14,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:51:14,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:51:14,503 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:51:14,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 17:51:14,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/data/b69322785/fff39096efe04b0a81c8a4d78de9a6ff/FLAG88e51941c [2021-11-25 17:51:15,673 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:51:15,674 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 17:51:15,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/data/b69322785/fff39096efe04b0a81c8a4d78de9a6ff/FLAG88e51941c [2021-11-25 17:51:15,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/data/b69322785/fff39096efe04b0a81c8a4d78de9a6ff [2021-11-25 17:51:15,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:51:15,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:51:15,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:51:15,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:51:15,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:51:15,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:15" (1/1) ... [2021-11-25 17:51:15,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634ff0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:15, skipping insertion in model container [2021-11-25 17:51:15,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:15" (1/1) ... [2021-11-25 17:51:15,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:51:16,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:51:21,222 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_2bfda5bf-b120-4319-920f-5cdc1a7aad71/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i[543971,543984] [2021-11-25 17:51:21,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:51:21,323 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:51:21,991 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_2bfda5bf-b120-4319-920f-5cdc1a7aad71/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i[543971,543984] [2021-11-25 17:51:22,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:51:22,406 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:51:22,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22 WrapperNode [2021-11-25 17:51:22,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:51:22,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:51:22,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:51:22,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:51:22,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:22,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:23,109 INFO L137 Inliner]: procedures = 587, calls = 5874, calls flagged for inlining = 313, calls inlined = 305, statements flattened = 12721 [2021-11-25 17:51:23,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:51:23,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:51:23,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:51:23,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:51:23,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:23,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:23,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:23,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:23,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:23,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:23,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:23,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:51:23,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:51:23,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:51:23,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:51:23,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (1/1) ... [2021-11-25 17:51:23,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:51:23,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:51:23,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:51:23,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:51:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-11-25 17:51:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-11-25 17:51:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-11-25 17:51:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-11-25 17:51:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 17:51:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 17:51:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-11-25 17:51:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-11-25 17:51:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-11-25 17:51:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-11-25 17:51:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-11-25 17:51:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-11-25 17:51:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 17:51:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 17:51:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 17:51:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 17:51:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-25 17:51:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-25 17:51:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 17:51:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 17:51:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 17:51:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 17:51:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-11-25 17:51:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-11-25 17:51:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 17:51:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 17:51:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 17:51:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 17:51:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-11-25 17:51:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-11-25 17:51:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-11-25 17:51:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-11-25 17:51:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 17:51:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 17:51:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 17:51:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 17:51:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 17:51:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 17:51:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 17:51:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 17:51:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-11-25 17:51:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-11-25 17:51:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-11-25 17:51:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-11-25 17:51:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-11-25 17:51:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-11-25 17:51:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 17:51:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 17:51:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 17:51:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 17:51:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-11-25 17:51:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-11-25 17:51:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-11-25 17:51:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-11-25 17:51:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 17:51:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 17:51:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 17:51:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 17:51:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-11-25 17:51:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-11-25 17:51:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 17:51:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 17:51:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-11-25 17:51:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-11-25 17:51:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 17:51:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 17:51:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 17:51:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 17:51:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 17:51:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 17:51:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 17:51:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 17:51:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 17:51:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 17:51:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-11-25 17:51:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-11-25 17:51:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:51:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 17:51:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 17:51:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-11-25 17:51:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-11-25 17:51:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-25 17:51:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-25 17:51:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 17:51:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 17:51:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-11-25 17:51:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-11-25 17:51:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 17:51:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 17:51:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 17:51:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 17:51:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 17:51:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 17:51:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 17:51:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 17:51:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-11-25 17:51:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-11-25 17:51:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 17:51:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 17:51:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 17:51:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 17:51:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 17:51:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 17:51:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 17:51:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-11-25 17:51:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-11-25 17:51:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 17:51:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 17:51:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 17:51:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:51:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 17:51:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 17:51:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 17:51:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 17:51:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-25 17:51:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-25 17:51:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 17:51:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 17:51:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 17:51:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 17:51:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 17:51:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 17:51:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-11-25 17:51:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-11-25 17:51:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-11-25 17:51:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-11-25 17:51:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 17:51:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 17:51:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 17:51:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 17:51:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-11-25 17:51:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-11-25 17:51:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-11-25 17:51:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-11-25 17:51:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-11-25 17:51:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-11-25 17:51:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-11-25 17:51:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-11-25 17:51:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:51:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 17:51:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 17:51:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 17:51:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 17:51:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 17:51:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 17:51:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 17:51:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 17:51:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-11-25 17:51:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-11-25 17:51:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 17:51:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 17:51:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-11-25 17:51:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-11-25 17:51:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:51:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 17:51:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 17:51:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-11-25 17:51:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-11-25 17:51:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 17:51:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 17:51:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 17:51:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 17:51:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:51:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 17:51:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-11-25 17:51:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-11-25 17:51:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:51:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:51:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 17:51:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 17:51:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-25 17:51:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-25 17:51:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-25 17:51:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-25 17:51:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:51:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:51:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-11-25 17:51:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-11-25 17:51:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-25 17:51:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-25 17:51:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-11-25 17:51:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-11-25 17:51:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 17:51:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 17:51:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-11-25 17:51:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-11-25 17:51:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-11-25 17:51:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-11-25 17:51:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 17:51:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 17:51:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 17:51:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 17:51:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 17:51:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 17:51:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 17:51:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 17:51:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-11-25 17:51:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-11-25 17:51:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-25 17:51:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-25 17:51:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 17:51:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 17:51:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-11-25 17:51:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-11-25 17:51:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-11-25 17:51:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-11-25 17:51:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 17:51:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 17:51:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 17:51:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 17:51:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-11-25 17:51:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-11-25 17:51:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 17:51:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 17:51:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-11-25 17:51:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-11-25 17:51:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:51:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:51:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 17:51:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 17:51:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-11-25 17:51:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-11-25 17:51:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 17:51:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 17:51:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-11-25 17:51:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-11-25 17:51:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 17:51:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 17:51:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 17:51:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 17:51:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 17:51:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 17:51:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-11-25 17:51:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-11-25 17:51:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 17:51:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 17:51:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 17:51:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 17:51:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-11-25 17:51:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-11-25 17:51:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-11-25 17:51:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-11-25 17:51:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 17:51:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-11-25 17:51:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-11-25 17:51:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-25 17:51:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-25 17:51:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 17:51:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 17:51:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 17:51:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 17:51:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-25 17:51:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-25 17:51:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-25 17:51:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-25 17:51:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-11-25 17:51:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-11-25 17:51:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 17:51:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 17:51:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-11-25 17:51:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-11-25 17:51:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:51:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:51:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 17:51:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 17:51:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-11-25 17:51:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-11-25 17:51:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-25 17:51:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-25 17:51:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 17:51:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 17:51:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 17:51:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 17:51:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 17:51:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 17:51:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-11-25 17:51:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-11-25 17:51:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 17:51:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 17:51:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 17:51:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 17:51:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-25 17:51:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-25 17:51:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 17:51:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 17:51:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 17:51:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 17:51:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-25 17:51:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-25 17:51:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:51:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-11-25 17:51:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-11-25 17:51:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-11-25 17:51:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-11-25 17:51:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 17:51:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 17:51:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:51:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-11-25 17:51:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-11-25 17:51:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-11-25 17:51:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-11-25 17:51:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 17:51:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-11-25 17:51:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-11-25 17:51:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 17:51:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 17:51:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 17:51:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 17:51:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 17:51:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 17:51:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-11-25 17:51:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-11-25 17:51:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 17:51:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 17:51:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 17:51:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 17:51:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 17:51:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 17:51:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 17:51:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 17:51:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 17:51:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 17:51:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 17:51:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 17:51:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-11-25 17:51:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-11-25 17:51:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 17:51:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 17:51:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-11-25 17:51:24,086 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-11-25 17:51:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-11-25 17:51:24,086 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-11-25 17:51:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-11-25 17:51:24,086 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-11-25 17:51:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-11-25 17:51:24,087 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-11-25 17:51:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-11-25 17:51:24,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-11-25 17:51:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-11-25 17:51:24,087 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-11-25 17:51:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 17:51:24,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 17:51:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 17:51:24,088 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 17:51:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 17:51:24,088 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 17:51:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-25 17:51:24,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-25 17:51:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-11-25 17:51:24,089 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-11-25 17:51:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-11-25 17:51:24,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-11-25 17:51:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 17:51:24,089 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 17:51:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-11-25 17:51:24,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-11-25 17:51:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-11-25 17:51:24,090 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-11-25 17:51:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 17:51:24,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 17:51:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-11-25 17:51:24,090 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-11-25 17:51:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:51:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-11-25 17:51:24,091 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-11-25 17:51:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-25 17:51:24,091 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-25 17:51:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-25 17:51:24,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-25 17:51:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 17:51:24,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 17:51:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-11-25 17:51:24,092 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-11-25 17:51:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 17:51:24,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 17:51:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-11-25 17:51:24,092 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-11-25 17:51:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-25 17:51:24,092 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-25 17:51:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-11-25 17:51:24,093 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-11-25 17:51:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-25 17:51:24,093 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-25 17:51:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 17:51:24,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 17:51:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 17:51:24,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 17:51:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-11-25 17:51:24,094 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-11-25 17:51:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-11-25 17:51:24,094 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-11-25 17:51:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-11-25 17:51:24,094 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-11-25 17:51:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-25 17:51:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-25 17:51:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-11-25 17:51:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-11-25 17:51:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-11-25 17:51:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-11-25 17:51:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-11-25 17:51:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-11-25 17:51:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-11-25 17:51:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-11-25 17:51:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 17:51:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 17:51:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 17:51:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 17:51:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 17:51:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 17:51:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 17:51:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 17:51:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-11-25 17:51:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-11-25 17:51:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-11-25 17:51:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-11-25 17:51:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-11-25 17:51:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-11-25 17:51:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-25 17:51:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-25 17:51:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-11-25 17:51:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-11-25 17:51:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 17:51:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 17:51:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-11-25 17:51:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-11-25 17:51:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-25 17:51:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-25 17:51:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 17:51:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 17:51:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:51:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-11-25 17:51:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-11-25 17:51:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-11-25 17:51:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-11-25 17:51:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 17:51:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 17:51:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-11-25 17:51:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-11-25 17:51:25,533 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:51:25,538 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:51:26,472 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:03:49,214 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 18:03:49,382 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:03:56,489 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:03:56,490 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 18:03:56,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:03:56 BoogieIcfgContainer [2021-11-25 18:03:56,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:03:56,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:03:56,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:03:56,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:03:56,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:51:15" (1/3) ... [2021-11-25 18:03:56,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428f9f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:03:56, skipping insertion in model container [2021-11-25 18:03:56,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:22" (2/3) ... [2021-11-25 18:03:56,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428f9f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:03:56, skipping insertion in model container [2021-11-25 18:03:56,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:03:56" (3/3) ... [2021-11-25 18:03:56,506 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-25 18:03:56,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:03:56,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:03:56,573 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:03:56,580 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 [2021-11-25 18:03:56,580 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:03:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 4146 states, 2299 states have (on average 1.2749021313614615) internal successors, (2931), 2417 states have internal predecessors, (2931), 1637 states have call successors, (1637), 210 states have call predecessors, (1637), 209 states have return successors, (1626), 1596 states have call predecessors, (1626), 1626 states have call successors, (1626) [2021-11-25 18:03:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-25 18:03:56,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:03:56,706 INFO L514 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:03:56,707 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:03:56,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:03:56,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1925675897, now seen corresponding path program 1 times [2021-11-25 18:03:56,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:03:56,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319864318] [2021-11-25 18:03:56,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:03:56,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:03:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:03:59,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-25 18:03:59,581 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:03:59,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319864318] [2021-11-25 18:03:59,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319864318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:03:59,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:03:59,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:03:59,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642887513] [2021-11-25 18:03:59,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:03:59,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:03:59,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:03:59,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:03:59,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:03:59,642 INFO L87 Difference]: Start difference. First operand has 4146 states, 2299 states have (on average 1.2749021313614615) internal successors, (2931), 2417 states have internal predecessors, (2931), 1637 states have call successors, (1637), 210 states have call predecessors, (1637), 209 states have return successors, (1626), 1596 states have call predecessors, (1626), 1626 states have call successors, (1626) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-25 18:04:01,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:06,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:10,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:14,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:16,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:17,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:19,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:20,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:22,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:04:22,002 INFO L93 Difference]: Finished difference Result 12085 states and 18054 transitions. [2021-11-25 18:04:22,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:04:22,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 260 [2021-11-25 18:04:22,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:04:22,112 INFO L225 Difference]: With dead ends: 12085 [2021-11-25 18:04:22,112 INFO L226 Difference]: Without dead ends: 7971 [2021-11-25 18:04:22,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:04:22,150 INFO L933 BasicCegarLoop]: 7132 mSDtfsCounter, 5759 mSDsluCounter, 6141 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5759 SdHoareTripleChecker+Valid, 12700 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:04:22,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5759 Valid, 12700 Invalid, 1194 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1183 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2021-11-25 18:04:22,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7971 states. [2021-11-25 18:04:22,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7971 to 7971. [2021-11-25 18:04:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7971 states, 4426 states have (on average 1.2704473565295977) internal successors, (5623), 4651 states have internal predecessors, (5623), 3132 states have call successors, (3132), 413 states have call predecessors, (3132), 412 states have return successors, (3129), 3070 states have call predecessors, (3129), 3129 states have call successors, (3129) [2021-11-25 18:04:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7971 states to 7971 states and 11884 transitions. [2021-11-25 18:04:22,964 INFO L78 Accepts]: Start accepts. Automaton has 7971 states and 11884 transitions. Word has length 260 [2021-11-25 18:04:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:04:22,967 INFO L470 AbstractCegarLoop]: Abstraction has 7971 states and 11884 transitions. [2021-11-25 18:04:22,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-25 18:04:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 7971 states and 11884 transitions. [2021-11-25 18:04:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-25 18:04:22,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:04:22,986 INFO L514 BasicCegarLoop]: trace histogram [28, 24, 24, 24, 24, 24, 24, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:04:22,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:04:22,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:04:22,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:04:22,987 INFO L85 PathProgramCache]: Analyzing trace with hash 399877687, now seen corresponding path program 1 times [2021-11-25 18:04:22,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:04:22,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072935297] [2021-11-25 18:04:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:22,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:04:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:04:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2439 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2439 trivial. 0 not checked. [2021-11-25 18:04:24,746 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:04:24,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072935297] [2021-11-25 18:04:24,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072935297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:04:24,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:04:24,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:04:24,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682400284] [2021-11-25 18:04:24,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:04:24,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:04:24,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:04:24,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:04:24,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:04:24,750 INFO L87 Difference]: Start difference. First operand 7971 states and 11884 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-25 18:04:26,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:32,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:34,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:36,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:41,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:43,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:45,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:49,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:52,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:04:55,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:04:55,192 INFO L93 Difference]: Finished difference Result 11948 states and 17800 transitions. [2021-11-25 18:04:55,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:04:55,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 302 [2021-11-25 18:04:55,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:04:55,311 INFO L225 Difference]: With dead ends: 11948 [2021-11-25 18:04:55,311 INFO L226 Difference]: Without dead ends: 11932 [2021-11-25 18:04:55,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:04:55,326 INFO L933 BasicCegarLoop]: 7126 mSDtfsCounter, 5892 mSDsluCounter, 13787 mSDsCounter, 0 mSdLazyCounter, 1739 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5894 SdHoareTripleChecker+Valid, 19754 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1739 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:04:55,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5894 Valid, 19754 Invalid, 1746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1739 Invalid, 7 Unknown, 0 Unchecked, 29.9s Time] [2021-11-25 18:04:55,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11932 states. [2021-11-25 18:04:56,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11932 to 11928. [2021-11-25 18:04:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11928 states, 6624 states have (on average 1.2700785024154588) internal successors, (8413), 6962 states have internal predecessors, (8413), 4680 states have call successors, (4680), 624 states have call predecessors, (4680), 623 states have return successors, (4679), 4586 states have call predecessors, (4679), 4677 states have call successors, (4679) [2021-11-25 18:04:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11928 states to 11928 states and 17772 transitions. [2021-11-25 18:04:56,223 INFO L78 Accepts]: Start accepts. Automaton has 11928 states and 17772 transitions. Word has length 302 [2021-11-25 18:04:56,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:04:56,225 INFO L470 AbstractCegarLoop]: Abstraction has 11928 states and 17772 transitions. [2021-11-25 18:04:56,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-25 18:04:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 11928 states and 17772 transitions. [2021-11-25 18:04:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-11-25 18:04:56,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:04:56,323 INFO L514 BasicCegarLoop]: trace histogram [30, 26, 26, 26, 26, 26, 26, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:04:56,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:04:56,324 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:04:56,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:04:56,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2133998268, now seen corresponding path program 1 times [2021-11-25 18:04:56,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:04:56,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738916883] [2021-11-25 18:04:56,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:56,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:04:57,383 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:04:57,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752955823] [2021-11-25 18:04:57,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:57,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:04:57,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:04:57,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:04:57,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bfda5bf-b120-4319-920f-5cdc1a7aad71/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:05:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:05:02,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 12604 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:05:02,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:05:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2939 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 2350 trivial. 0 not checked. [2021-11-25 18:05:04,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:05:04,428 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:05:04,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738916883] [2021-11-25 18:05:04,428 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:05:04,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752955823] [2021-11-25 18:05:04,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752955823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:05:04,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:05:04,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:05:04,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575230573] [2021-11-25 18:05:04,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:05:04,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:05:04,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:05:04,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:05:04,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:05:04,433 INFO L87 Difference]: Start difference. First operand 11928 states and 17772 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2021-11-25 18:05:06,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []