./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0213066b04433b5115818ca8b9ef0dddadf4a1205d07a35e490e0ff46aebca6c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:37:19,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:37:19,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:37:19,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:37:19,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:37:19,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:37:19,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:37:19,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:37:19,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:37:19,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:37:19,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:37:19,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:37:19,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:37:19,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:37:19,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:37:19,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:37:19,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:37:19,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:37:19,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:37:19,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:37:19,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:37:19,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:37:19,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:37:19,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:37:19,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:37:19,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:37:19,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:37:19,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:37:19,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:37:19,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:37:19,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:37:19,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:37:19,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:37:19,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:37:19,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:37:19,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:37:19,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:37:19,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:37:19,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:37:19,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:37:19,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:37:19,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:37:19,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:37:19,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:37:19,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:37:19,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:37:19,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:37:19,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:37:19,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:37:19,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:37:19,415 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:37:19,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:37:19,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:37:19,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:37:19,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:37:19,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:37:19,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:37:19,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:37:19,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:37:19,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:37:19,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:37:19,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:37:19,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:37:19,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:37:19,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:37:19,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:37:19,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:37:19,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:37:19,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:37:19,421 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:37:19,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:37:19,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:37:19,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:37:19,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0213066b04433b5115818ca8b9ef0dddadf4a1205d07a35e490e0ff46aebca6c [2021-11-20 05:37:19,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:37:19,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:37:19,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:37:19,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:37:19,719 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:37:19,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i [2021-11-20 05:37:19,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/data/2b1fde0ab/4a47493526bd4055be2240a881b3f1c9/FLAGdeb2c3883 [2021-11-20 05:37:20,709 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:37:20,710 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i [2021-11-20 05:37:20,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/data/2b1fde0ab/4a47493526bd4055be2240a881b3f1c9/FLAGdeb2c3883 [2021-11-20 05:37:21,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/data/2b1fde0ab/4a47493526bd4055be2240a881b3f1c9 [2021-11-20 05:37:21,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:37:21,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:37:21,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:37:21,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:37:21,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:37:21,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:21" (1/1) ... [2021-11-20 05:37:21,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad91382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:21, skipping insertion in model container [2021-11-20 05:37:21,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:21" (1/1) ... [2021-11-20 05:37:21,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:37:21,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:37:25,501 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_fc3046dc-7ef7-4f35-893d-034ff3d57a79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[436411,436424] [2021-11-20 05:37:25,504 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_fc3046dc-7ef7-4f35-893d-034ff3d57a79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[436558,436571] [2021-11-20 05:37:25,505 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_fc3046dc-7ef7-4f35-893d-034ff3d57a79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[436697,436710] [2021-11-20 05:37:25,506 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_fc3046dc-7ef7-4f35-893d-034ff3d57a79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[436855,436868] [2021-11-20 05:37:25,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:37:25,656 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:37:26,150 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_fc3046dc-7ef7-4f35-893d-034ff3d57a79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[436411,436424] [2021-11-20 05:37:26,150 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_fc3046dc-7ef7-4f35-893d-034ff3d57a79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[436558,436571] [2021-11-20 05:37:26,151 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_fc3046dc-7ef7-4f35-893d-034ff3d57a79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[436697,436710] [2021-11-20 05:37:26,151 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_fc3046dc-7ef7-4f35-893d-034ff3d57a79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[436855,436868] [2021-11-20 05:37:26,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:37:26,451 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:37:26,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26 WrapperNode [2021-11-20 05:37:26,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:37:26,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:37:26,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:37:26,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:37:26,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:26,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:27,036 INFO L137 Inliner]: procedures = 520, calls = 3615, calls flagged for inlining = 326, calls inlined = 303, statements flattened = 8747 [2021-11-20 05:37:27,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:37:27,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:37:27,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:37:27,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:37:27,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:27,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:27,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:27,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:27,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:27,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:27,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:27,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:37:27,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:37:27,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:37:27,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:37:27,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (1/1) ... [2021-11-20 05:37:27,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:37:27,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:27,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:27,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3046dc-7ef7-4f35-893d-034ff3d57a79/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:37:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 05:37:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 05:37:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 05:37:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 05:37:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 05:37:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 05:37:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 05:37:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 05:37:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:37:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:37:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-20 05:37:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-20 05:37:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 05:37:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 05:37:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 05:37:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 05:37:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_resume [2021-11-20 05:37:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_resume [2021-11-20 05:37:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_print_link_status [2021-11-20 05:37:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_print_link_status [2021-11-20 05:37:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_registers [2021-11-20 05:37:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_registers [2021-11-20 05:37:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 05:37:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 05:37:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_mii_write [2021-11-20 05:37:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_mii_write [2021-11-20 05:37:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 05:37:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 05:37:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 05:37:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 05:37:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 05:37:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 05:37:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 05:37:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 05:37:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_platform_remove [2021-11-20 05:37:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_platform_remove [2021-11-20 05:37:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 05:37:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 05:37:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 05:37:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 05:37:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure enable_flow_control_ability [2021-11-20 05:37:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_flow_control_ability [2021-11-20 05:37:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:37:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 05:37:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 05:37:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure set_pending_timer_val [2021-11-20 05:37:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pending_timer_val [2021-11-20 05:37:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 05:37:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 05:37:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 05:37:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 05:37:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 05:37:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 05:37:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 05:37:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_ethtool_up [2021-11-20 05:37:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_ethtool_up [2021-11-20 05:37:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure mac_wol_reset [2021-11-20 05:37:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_wol_reset [2021-11-20 05:37:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 05:37:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_ethtool_down [2021-11-20 05:37:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_ethtool_down [2021-11-20 05:37:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 05:37:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 05:37:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure mac_set_vlan_cam_mask [2021-11-20 05:37:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_set_vlan_cam_mask [2021-11-20 05:37:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:37:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 05:37:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 05:37:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 05:37:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 05:37:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 05:37:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 05:37:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 05:37:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 05:37:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-20 05:37:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-20 05:37:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_opt_media_mode [2021-11-20 05:37:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_opt_media_mode [2021-11-20 05:37:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_tx_srv [2021-11-20 05:37:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_tx_srv [2021-11-20 05:37:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-20 05:37:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-20 05:37:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 05:37:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 05:37:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-20 05:37:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-20 05:37:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_rx_refill [2021-11-20 05:37:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_rx_refill [2021-11-20 05:37:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_auto_on [2021-11-20 05:37:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_auto_on [2021-11-20 05:37:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:37:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 05:37:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 05:37:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 05:37:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 05:37:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-20 05:37:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-20 05:37:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_save_context [2021-11-20 05:37:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_save_context [2021-11-20 05:37:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-20 05:37:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-20 05:37:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-20 05:37:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-20 05:37:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:37:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 05:37:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 05:37:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 05:37:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 05:37:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:37:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 05:37:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 05:37:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 05:37:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-20 05:37:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-20 05:37:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 05:37:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 05:37:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_update_hw_mibs [2021-11-20 05:37:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_update_hw_mibs [2021-11-20 05:37:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_shutdown [2021-11-20 05:37:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_shutdown [2021-11-20 05:37:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure setup_queue_timers [2021-11-20 05:37:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_queue_timers [2021-11-20 05:37:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 05:37:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 05:37:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-20 05:37:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-20 05:37:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_rd_ring [2021-11-20 05:37:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_rd_ring [2021-11-20 05:37:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 05:37:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 05:37:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 05:37:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 05:37:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_dma_rings [2021-11-20 05:37:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_dma_rings [2021-11-20 05:37:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure safe_disable_mii_autopoll [2021-11-20 05:37:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_disable_mii_autopoll [2021-11-20 05:37:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 05:37:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 05:37:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure get_pending_timer_val [2021-11-20 05:37:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pending_timer_val [2021-11-20 05:37:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_unregister_notifier [2021-11-20 05:37:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_unregister_notifier [2021-11-20 05:37:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 05:37:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 05:37:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 05:37:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 05:37:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-20 05:37:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-20 05:37:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-20 05:37:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-20 05:37:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:37:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:37:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_media_mode [2021-11-20 05:37:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_media_mode [2021-11-20 05:37:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_cam_filter [2021-11-20 05:37:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_cam_filter [2021-11-20 05:37:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 05:37:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_probe [2021-11-20 05:37:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_probe [2021-11-20 05:37:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 05:37:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:37:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:37:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_pci_remove [2021-11-20 05:37:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_pci_remove [2021-11-20 05:37:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 05:37:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 05:37:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 05:37:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 05:37:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_rings [2021-11-20 05:37:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_rings [2021-11-20 05:37:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 05:37:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 05:37:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mii_autopoll [2021-11-20 05:37:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mii_autopoll [2021-11-20 05:37:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 05:37:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 05:37:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 05:37:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 05:37:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 05:37:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 05:37:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 05:37:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 05:37:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 05:37:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 05:37:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-20 05:37:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-20 05:37:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-20 05:37:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-20 05:37:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 05:37:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 05:37:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-20 05:37:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-20 05:37:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:37:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_int_opt [2021-11-20 05:37:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_int_opt [2021-11-20 05:37:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 05:37:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 05:37:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure mac_set_cam_mask [2021-11-20 05:37:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_set_cam_mask [2021-11-20 05:37:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-20 05:37:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-20 05:37:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:37:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_suspend [2021-11-20 05:37:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_suspend [2021-11-20 05:37:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-20 05:37:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-20 05:37:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_ip [2021-11-20 05:37:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_ip [2021-11-20 05:37:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:37:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_link [2021-11-20 05:37:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_link [2021-11-20 05:37:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 05:37:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 05:37:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 05:37:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 05:37:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure setup_adaptive_interrupts [2021-11-20 05:37:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_adaptive_interrupts [2021-11-20 05:37:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 05:37:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 05:37:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 05:37:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 05:37:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 05:37:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 05:37:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 05:37:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 05:37:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_power_state [2021-11-20 05:37:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_power_state [2021-11-20 05:37:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_close [2021-11-20 05:37:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_close [2021-11-20 05:37:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-20 05:37:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-20 05:37:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_bool_opt [2021-11-20 05:37:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_bool_opt [2021-11-20 05:37:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 05:37:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 05:37:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 05:37:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 05:37:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 05:37:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 05:37:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:37:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:37:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:37:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_rings [2021-11-20 05:37:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_rings [2021-11-20 05:37:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_intr [2021-11-20 05:37:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_intr [2021-11-20 05:37:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-20 05:37:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-20 05:37:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:37:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:37:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 05:37:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 05:37:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_remove [2021-11-20 05:37:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_remove [2021-11-20 05:37:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure check_connection_type [2021-11-20 05:37:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure check_connection_type [2021-11-20 05:37:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-20 05:37:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-20 05:37:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_rx_ring_indexes [2021-11-20 05:37:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_rx_ring_indexes [2021-11-20 05:37:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_mii_read [2021-11-20 05:37:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_mii_read [2021-11-20 05:37:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_open [2021-11-20 05:37:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_open [2021-11-20 05:37:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_give_many_rx_descs [2021-11-20 05:37:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_give_many_rx_descs [2021-11-20 05:37:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 05:37:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 05:37:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_multi [2021-11-20 05:37:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_multi [2021-11-20 05:37:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-20 05:37:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-20 05:37:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_platform_probe [2021-11-20 05:37:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_platform_probe [2021-11-20 05:37:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 05:37:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 05:37:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:37:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 05:37:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 05:37:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_poll_controller [2021-11-20 05:37:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_poll_controller [2021-11-20 05:37:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-20 05:37:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-20 05:37:28,877 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:37:28,884 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:37:29,940 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:51:32,460 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 05:51:32,585 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:51:32,611 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:51:32,611 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 05:51:32,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:32 BoogieIcfgContainer [2021-11-20 05:51:32,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:51:32,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:51:32,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:51:32,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:51:32,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:37:21" (1/3) ... [2021-11-20 05:51:32,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260d584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:51:32, skipping insertion in model container [2021-11-20 05:51:32,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:26" (2/3) ... [2021-11-20 05:51:32,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260d584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:51:32, skipping insertion in model container [2021-11-20 05:51:32,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:32" (3/3) ... [2021-11-20 05:51:32,628 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i [2021-11-20 05:51:32,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:51:32,633 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 05:51:32,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:51:32,702 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=PETRI_NET, 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 [2021-11-20 05:51:32,702 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 05:51:32,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 3095 states, 2123 states have (on average 1.2948657560056525) internal successors, (2749), 2184 states have internal predecessors, (2749), 840 states have call successors, (840), 133 states have call predecessors, (840), 132 states have return successors, (832), 811 states have call predecessors, (832), 832 states have call successors, (832) [2021-11-20 05:51:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-20 05:51:32,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:32,829 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:51:32,830 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:32,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:32,841 INFO L85 PathProgramCache]: Analyzing trace with hash -213484464, now seen corresponding path program 1 times [2021-11-20 05:51:32,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:51:32,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990595475] [2021-11-20 05:51:32,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:32,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:51:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:51:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:51:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:51:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:51:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:51:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:51:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:51:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:51:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:51:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:34,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:51:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:51:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:51:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 05:51:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 05:51:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 05:51:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:51:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 05:51:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 05:51:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-20 05:51:35,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:51:35,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990595475] [2021-11-20 05:51:35,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990595475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:35,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:35,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:51:35,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191550496] [2021-11-20 05:51:35,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:35,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:51:35,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:51:35,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:51:35,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:51:35,244 INFO L87 Difference]: Start difference. First operand has 3095 states, 2123 states have (on average 1.2948657560056525) internal successors, (2749), 2184 states have internal predecessors, (2749), 840 states have call successors, (840), 133 states have call predecessors, (840), 132 states have return successors, (832), 811 states have call predecessors, (832), 832 states have call successors, (832) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:51:37,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:51:39,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []