./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ --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 14116a47f3f4a2a033e7a89d50301476fe518641457365dd95d98c606e6851b5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:20:43,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:20:43,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:20:43,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:20:43,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:20:43,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:20:43,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:20:43,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:20:43,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:20:43,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:20:43,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:20:43,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:20:43,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:20:43,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:20:43,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:20:43,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:20:43,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:20:43,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:20:43,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:20:43,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:20:43,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:20:43,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:20:43,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:20:43,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:20:43,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:20:43,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:20:43,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:20:43,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:20:43,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:20:43,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:20:43,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:20:43,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:20:43,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:20:43,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:20:43,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:20:43,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:20:43,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:20:43,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:20:43,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:20:43,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:20:43,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:20:43,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:20:43,198 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:20:43,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:20:43,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:20:43,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:20:43,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:20:43,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:20:43,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:20:43,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:20:43,202 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:20:43,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:20:43,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:20:43,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:20:43,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:20:43,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:20:43,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:20:43,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:20:43,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:20:43,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:20:43,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:20:43,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:20:43,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:20:43,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:20:43,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:20:43,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:20:43,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:20:43,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:20:43,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:20:43,209 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:20:43,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:20:43,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:20:43,212 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_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14116a47f3f4a2a033e7a89d50301476fe518641457365dd95d98c606e6851b5 [2022-10-17 10:20:43,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:20:43,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:20:43,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:20:43,549 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:20:43,552 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:20:43,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-10-17 10:20:43,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/data/e3c05ae3c/c6eb1076b05d4f008ffe3877b180197a/FLAG2b3f4f4c1 [2022-10-17 10:20:44,704 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:20:44,705 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-10-17 10:20:44,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/data/e3c05ae3c/c6eb1076b05d4f008ffe3877b180197a/FLAG2b3f4f4c1 [2022-10-17 10:20:44,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/data/e3c05ae3c/c6eb1076b05d4f008ffe3877b180197a [2022-10-17 10:20:44,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:20:44,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:20:44,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:44,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:20:44,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:20:44,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:44" (1/1) ... [2022-10-17 10:20:44,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b56792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:44, skipping insertion in model container [2022-10-17 10:20:44,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:44" (1/1) ... [2022-10-17 10:20:45,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:20:45,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:20:50,481 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_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2022-10-17 10:20:50,484 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_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2022-10-17 10:20:50,485 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_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2022-10-17 10:20:50,485 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_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2022-10-17 10:20:50,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:20:50,570 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:20:51,109 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_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2022-10-17 10:20:51,110 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_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2022-10-17 10:20:51,110 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_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2022-10-17 10:20:51,111 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_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2022-10-17 10:20:51,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:20:51,590 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:20:51,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51 WrapperNode [2022-10-17 10:20:51,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:51,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:20:51,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:20:51,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:20:51,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:51,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,145 INFO L138 Inliner]: procedures = 642, calls = 3539, calls flagged for inlining = 319, calls inlined = 283, statements flattened = 8553 [2022-10-17 10:20:52,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:20:52,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:20:52,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:20:52,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:20:52,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,622 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:20:52,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:20:52,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:20:52,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:20:52,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (1/1) ... [2022-10-17 10:20:52,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:20:52,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:20:52,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:20:52,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e44b7f-0c00-42c5-95e2-50b0eaa2d578/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:20:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-10-17 10:20:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-10-17 10:20:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:20:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:20:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:20:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:20:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-10-17 10:20:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-10-17 10:20:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:20:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:20:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:20:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:20:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-17 10:20:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-10-17 10:20:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-10-17 10:20:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-10-17 10:20:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-10-17 10:20:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-10-17 10:20:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-10-17 10:20:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-10-17 10:20:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:20:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:20:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:20:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:20:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-10-17 10:20:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-10-17 10:20:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-17 10:20:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-17 10:20:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-10-17 10:20:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-10-17 10:20:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2022-10-17 10:20:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2022-10-17 10:20:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:20:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:20:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-10-17 10:20:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-10-17 10:20:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-10-17 10:20:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-10-17 10:20:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 10:20:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 10:20:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:20:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:20:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:20:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:20:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:20:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:20:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-10-17 10:20:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-10-17 10:20:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:20:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:20:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-10-17 10:20:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-10-17 10:20:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-10-17 10:20:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-10-17 10:20:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:20:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-17 10:20:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-17 10:20:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-10-17 10:20:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-10-17 10:20:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-10-17 10:20:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-10-17 10:20:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-10-17 10:20:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-10-17 10:20:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:20:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:20:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:20:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-10-17 10:20:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-10-17 10:20:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:20:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:20:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:20:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:20:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:20:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-10-17 10:20:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-10-17 10:20:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:20:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:20:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:20:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-10-17 10:20:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-10-17 10:20:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:20:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:20:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-10-17 10:20:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-10-17 10:20:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-10-17 10:20:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-10-17 10:20:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:20:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:20:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-10-17 10:20:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-10-17 10:20:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:20:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:20:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-10-17 10:20:52,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-10-17 10:20:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-10-17 10:20:52,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-10-17 10:20:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:20:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:20:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-10-17 10:20:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-10-17 10:20:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-10-17 10:20:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-10-17 10:20:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:20:52,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:20:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-17 10:20:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-10-17 10:20:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:20:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:20:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-10-17 10:20:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-10-17 10:20:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-10-17 10:20:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-10-17 10:20:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:20:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:20:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:20:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:20:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:20:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:20:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:20:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-17 10:20:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-17 10:20:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-10-17 10:20:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-10-17 10:20:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-10-17 10:20:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-10-17 10:20:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:20:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2022-10-17 10:20:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2022-10-17 10:20:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-17 10:20:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-17 10:20:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:20:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:20:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:20:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:20:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:20:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-10-17 10:20:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-10-17 10:20:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2022-10-17 10:20:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2022-10-17 10:20:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-10-17 10:20:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-10-17 10:20:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-10-17 10:20:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-10-17 10:20:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:20:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:20:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-10-17 10:20:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-10-17 10:20:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-17 10:20:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-17 10:20:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-10-17 10:20:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-10-17 10:20:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-10-17 10:20:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-10-17 10:20:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:20:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:20:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:20:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:20:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-10-17 10:20:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-10-17 10:20:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-10-17 10:20:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-10-17 10:20:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:20:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:20:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:20:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:20:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-10-17 10:20:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-10-17 10:20:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-10-17 10:20:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-10-17 10:20:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:20:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:20:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-10-17 10:20:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-10-17 10:20:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-10-17 10:20:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-10-17 10:20:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:20:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:20:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:20:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:20:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:20:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:20:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-17 10:20:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-17 10:20:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-10-17 10:20:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-10-17 10:20:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-10-17 10:20:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-10-17 10:20:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-17 10:20:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-17 10:20:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-10-17 10:20:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-10-17 10:20:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-10-17 10:20:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-10-17 10:20:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:20:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:20:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-10-17 10:20:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-10-17 10:20:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-10-17 10:20:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-10-17 10:20:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-10-17 10:20:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-10-17 10:20:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-10-17 10:20:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-10-17 10:20:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-10-17 10:20:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-10-17 10:20:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 10:20:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 10:20:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:20:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:20:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:20:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:20:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-10-17 10:20:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-10-17 10:20:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-10-17 10:20:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-10-17 10:20:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-10-17 10:20:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-10-17 10:20:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-10-17 10:20:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-10-17 10:20:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:20:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:20:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:20:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:20:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:20:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-10-17 10:20:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-10-17 10:20:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-10-17 10:20:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-10-17 10:20:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:20:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:20:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-10-17 10:20:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-10-17 10:20:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:20:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-10-17 10:20:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-10-17 10:20:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-10-17 10:20:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-10-17 10:20:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-10-17 10:20:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-10-17 10:20:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-10-17 10:20:52,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-10-17 10:20:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-10-17 10:20:52,901 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-10-17 10:20:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-10-17 10:20:52,902 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-10-17 10:20:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:20:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-10-17 10:20:52,902 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-10-17 10:20:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:20:52,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:20:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-10-17 10:20:52,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-10-17 10:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:20:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-10-17 10:20:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-10-17 10:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-10-17 10:20:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-10-17 10:20:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2022-10-17 10:20:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2022-10-17 10:20:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:20:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:20:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-17 10:20:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-17 10:20:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:20:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:20:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-10-17 10:20:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-10-17 10:20:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-10-17 10:20:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-10-17 10:20:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-10-17 10:20:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-10-17 10:20:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-10-17 10:20:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-10-17 10:20:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 10:20:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 10:20:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:20:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:20:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:20:52,910 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:20:52,910 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-10-17 10:20:52,910 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-10-17 10:20:52,910 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:20:52,910 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:20:52,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-10-17 10:20:52,911 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-10-17 10:20:52,911 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-10-17 10:20:52,911 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-10-17 10:20:52,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:20:52,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:20:52,911 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-10-17 10:20:52,911 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-10-17 10:20:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:20:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-10-17 10:20:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-10-17 10:20:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:20:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:20:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-17 10:20:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-17 10:20:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-10-17 10:20:52,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-10-17 10:20:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:20:52,913 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:20:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-17 10:20:52,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-17 10:20:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-10-17 10:20:52,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-10-17 10:20:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-10-17 10:20:52,914 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-10-17 10:20:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-10-17 10:20:52,914 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-10-17 10:20:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-10-17 10:20:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-10-17 10:20:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-10-17 10:20:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-10-17 10:20:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:20:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:20:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-10-17 10:20:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-10-17 10:20:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-10-17 10:20:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-10-17 10:20:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-17 10:20:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-17 10:20:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-10-17 10:20:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-10-17 10:20:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-10-17 10:20:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-10-17 10:20:52,917 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-10-17 10:20:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-10-17 10:20:52,917 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-10-17 10:20:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-10-17 10:20:52,917 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:20:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:20:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:20:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-10-17 10:20:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-10-17 10:20:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:20:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:20:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-17 10:20:54,420 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:20:54,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:20:54,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:21:03,080 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:21:03,461 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:21:03,510 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:21:03,510 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:21:03,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:21:03 BoogieIcfgContainer [2022-10-17 10:21:03,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:21:03,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:21:03,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:21:03,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:21:03,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:20:44" (1/3) ... [2022-10-17 10:21:03,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44937db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:21:03, skipping insertion in model container [2022-10-17 10:21:03,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:51" (2/3) ... [2022-10-17 10:21:03,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44937db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:21:03, skipping insertion in model container [2022-10-17 10:21:03,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:21:03" (3/3) ... [2022-10-17 10:21:03,532 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-10-17 10:21:03,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:21:03,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:21:03,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:21:03,732 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41baea27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:21:03,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:21:03,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 3175 states, 2241 states have (on average 1.3253012048192772) internal successors, (2970), 2282 states have internal predecessors, (2970), 773 states have call successors, (773), 161 states have call predecessors, (773), 160 states have return successors, (765), 751 states have call predecessors, (765), 765 states have call successors, (765) [2022-10-17 10:21:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-10-17 10:21:03,808 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:21:03,809 INFO L195 NwaCegarLoop]: trace histogram [25, 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:21:03,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:21:03,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:21:03,816 INFO L85 PathProgramCache]: Analyzing trace with hash -235193078, now seen corresponding path program 1 times [2022-10-17 10:21:03,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:21:03,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978995940] [2022-10-17 10:21:03,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:21:03,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:21:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:21:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:21:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:21:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:21:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:21:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:21:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:21:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:21:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:21:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:21:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:21:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:21:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:21:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:21:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:21:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:21:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:21:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:05,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-17 10:21:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-17 10:21:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-17 10:21:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-17 10:21:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-17 10:21:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-17 10:21:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-17 10:21:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-17 10:21:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-17 10:21:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:06,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2022-10-17 10:21:06,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:21:06,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978995940] [2022-10-17 10:21:06,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978995940] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:21:06,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:21:06,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:21:06,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78211989] [2022-10-17 10:21:06,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:21:06,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:21:06,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:21:06,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:21:06,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:21:06,342 INFO L87 Difference]: Start difference. First operand has 3175 states, 2241 states have (on average 1.3253012048192772) internal successors, (2970), 2282 states have internal predecessors, (2970), 773 states have call successors, (773), 161 states have call predecessors, (773), 160 states have return successors, (765), 751 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)