./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc --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 232e8c8bdb70ee1ad9fec7edefe8ce3076fc3bc6f131163eee7a33dd2ac504a2 --- 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-5e519f3 [2022-11-02 21:01:17,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:01:17,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:01:17,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:01:17,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:01:17,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:01:17,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:01:17,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:01:17,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:01:17,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:01:17,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:01:17,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:01:17,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:01:17,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:01:17,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:01:17,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:01:17,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:01:17,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:01:17,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:01:17,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:01:17,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:01:17,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:01:17,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:01:17,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:01:17,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:01:17,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:01:17,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:01:17,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:01:17,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:01:17,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:01:17,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:01:17,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:01:17,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:01:17,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:01:17,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:01:17,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:01:17,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:01:17,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:01:17,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:01:17,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:01:17,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:01:17,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:01:17,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:01:17,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:01:17,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:01:17,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:01:17,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:01:17,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:01:17,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:01:17,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:01:17,324 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:01:17,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:01:17,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:01:17,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:01:17,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:01:17,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:01:17,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:01:17,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:01:17,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:01:17,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:01:17,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:01:17,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:01:17,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:01:17,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:01:17,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:01:17,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:01:17,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:01:17,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:01:17,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:01:17,329 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:01:17,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:01:17,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:01:17,330 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_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 232e8c8bdb70ee1ad9fec7edefe8ce3076fc3bc6f131163eee7a33dd2ac504a2 [2022-11-02 21:01:17,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:01:17,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:01:17,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:01:17,627 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:01:17,628 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:01:17,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i [2022-11-02 21:01:17,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/data/2e5b00e40/9233d07d9e2a46749327a8b74ec9828c/FLAG0f4180f3f [2022-11-02 21:01:18,886 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:01:18,887 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i [2022-11-02 21:01:18,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/data/2e5b00e40/9233d07d9e2a46749327a8b74ec9828c/FLAG0f4180f3f [2022-11-02 21:01:19,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/data/2e5b00e40/9233d07d9e2a46749327a8b74ec9828c [2022-11-02 21:01:19,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:01:19,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:01:19,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:01:19,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:01:19,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:01:19,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:01:19" (1/1) ... [2022-11-02 21:01:19,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd7b15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:19, skipping insertion in model container [2022-11-02 21:01:19,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:01:19" (1/1) ... [2022-11-02 21:01:19,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:01:19,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:01:23,740 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_e02265fb-f794-4d4a-82f9-24e865749a70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445023,445036] [2022-11-02 21:01:23,742 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_e02265fb-f794-4d4a-82f9-24e865749a70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445189,445202] [2022-11-02 21:01:23,743 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_e02265fb-f794-4d4a-82f9-24e865749a70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445353,445366] [2022-11-02 21:01:23,743 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_e02265fb-f794-4d4a-82f9-24e865749a70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445518,445531] [2022-11-02 21:01:23,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:01:23,895 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:01:24,446 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_e02265fb-f794-4d4a-82f9-24e865749a70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445023,445036] [2022-11-02 21:01:24,447 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_e02265fb-f794-4d4a-82f9-24e865749a70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445189,445202] [2022-11-02 21:01:24,447 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_e02265fb-f794-4d4a-82f9-24e865749a70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445353,445366] [2022-11-02 21:01:24,448 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_e02265fb-f794-4d4a-82f9-24e865749a70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445518,445531] [2022-11-02 21:01:24,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:01:24,742 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:01:24,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24 WrapperNode [2022-11-02 21:01:24,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:01:24,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:01:24,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:01:24,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:01:24,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:24,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,269 INFO L138 Inliner]: procedures = 544, calls = 3955, calls flagged for inlining = 320, calls inlined = 309, statements flattened = 9951 [2022-11-02 21:01:25,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:01:25,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:01:25,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:01:25,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:01:25,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:01:25,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:01:25,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:01:25,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:01:25,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (1/1) ... [2022-11-02 21:01:25,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:01:25,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:25,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:25,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02265fb-f794-4d4a-82f9-24e865749a70/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:01:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 21:01:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 21:01:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2022-11-02 21:01:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2022-11-02 21:01:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2022-11-02 21:01:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2022-11-02 21:01:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 21:01:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 21:01:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 21:01:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 21:01:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-02 21:01:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-02 21:01:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-02 21:01:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-02 21:01:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:01:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:01:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2022-11-02 21:01:26,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2022-11-02 21:01:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2022-11-02 21:01:26,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2022-11-02 21:01:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-02 21:01:26,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-02 21:01:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-02 21:01:26,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-02 21:01:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-02 21:01:26,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-02 21:01:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 21:01:26,017 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 21:01:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 21:01:26,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 21:01:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2022-11-02 21:01:26,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2022-11-02 21:01:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 21:01:26,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 21:01:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 21:01:26,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 21:01:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2022-11-02 21:01:26,019 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2022-11-02 21:01:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2022-11-02 21:01:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2022-11-02 21:01:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-02 21:01:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-02 21:01:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2022-11-02 21:01:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2022-11-02 21:01:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2022-11-02 21:01:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2022-11-02 21:01:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2022-11-02 21:01:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2022-11-02 21:01:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-02 21:01:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-02 21:01:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2022-11-02 21:01:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2022-11-02 21:01:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2022-11-02 21:01:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2022-11-02 21:01:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-02 21:01:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-02 21:01:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-11-02 21:01:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-11-02 21:01:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 21:01:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 21:01:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 21:01:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 21:01:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2022-11-02 21:01:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2022-11-02 21:01:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 21:01:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 21:01:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 21:01:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 21:01:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2022-11-02 21:01:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2022-11-02 21:01:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-02 21:01:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-02 21:01:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 21:01:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 21:01:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:01:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:01:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-02 21:01:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-02 21:01:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 21:01:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 21:01:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-02 21:01:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-02 21:01:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:01:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-02 21:01:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-02 21:01:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2022-11-02 21:01:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2022-11-02 21:01:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 21:01:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 21:01:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 21:01:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 21:01:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2022-11-02 21:01:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2022-11-02 21:01:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2022-11-02 21:01:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2022-11-02 21:01:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 21:01:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 21:01:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2022-11-02 21:01:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2022-11-02 21:01:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:01:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:01:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:01:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2022-11-02 21:01:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2022-11-02 21:01:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2022-11-02 21:01:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2022-11-02 21:01:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 21:01:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 21:01:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2022-11-02 21:01:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2022-11-02 21:01:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2022-11-02 21:01:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2022-11-02 21:01:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 21:01:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 21:01:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:01:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 21:01:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 21:01:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2022-11-02 21:01:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2022-11-02 21:01:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:01:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:01:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:01:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2022-11-02 21:01:26,055 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2022-11-02 21:01:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 21:01:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 21:01:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 21:01:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 21:01:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 21:01:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 21:01:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-02 21:01:26,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-02 21:01:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2022-11-02 21:01:26,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2022-11-02 21:01:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 21:01:26,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 21:01:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 21:01:26,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 21:01:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-02 21:01:26,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-02 21:01:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:01:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 21:01:26,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 21:01:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 21:01:26,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 21:01:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-02 21:01:26,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-02 21:01:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:01:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-02 21:01:26,060 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-02 21:01:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 21:01:26,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 21:01:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pm_mutex_of_cas [2022-11-02 21:01:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pm_mutex_of_cas [2022-11-02 21:01:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 21:01:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 21:01:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:01:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 21:01:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:01:26,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:01:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2022-11-02 21:01:26,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2022-11-02 21:01:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2022-11-02 21:01:26,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2022-11-02 21:01:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-02 21:01:26,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-02 21:01:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 21:01:26,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 21:01:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 21:01:26,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 21:01:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-02 21:01:26,064 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-02 21:01:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-11-02 21:01:26,064 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-11-02 21:01:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:01:26,064 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:01:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 21:01:26,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 21:01:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 21:01:26,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 21:01:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2022-11-02 21:01:26,065 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2022-11-02 21:01:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 21:01:26,066 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 21:01:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2022-11-02 21:01:26,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2022-11-02 21:01:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2022-11-02 21:01:26,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2022-11-02 21:01:26,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:01:26,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:01:26,067 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2022-11-02 21:01:26,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2022-11-02 21:01:26,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:01:26,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:01:26,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:01:26,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:01:26,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 21:01:26,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 21:01:26,068 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2022-11-02 21:01:26,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2022-11-02 21:01:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 21:01:26,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 21:01:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2022-11-02 21:01:26,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2022-11-02 21:01:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2022-11-02 21:01:26,069 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2022-11-02 21:01:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-02 21:01:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-02 21:01:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-11-02 21:01:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-11-02 21:01:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 21:01:26,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 21:01:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:01:26,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:01:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 21:01:26,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 21:01:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 21:01:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 21:01:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2022-11-02 21:01:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2022-11-02 21:01:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2022-11-02 21:01:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2022-11-02 21:01:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:01:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 21:01:26,073 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 21:01:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2022-11-02 21:01:26,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2022-11-02 21:01:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:01:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2022-11-02 21:01:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2022-11-02 21:01:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2022-11-02 21:01:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2022-11-02 21:01:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-02 21:01:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-02 21:01:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2022-11-02 21:01:26,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2022-11-02 21:01:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:01:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-02 21:01:26,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-02 21:01:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2022-11-02 21:01:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2022-11-02 21:01:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 21:01:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 21:01:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pm_mutex_of_cas [2022-11-02 21:01:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pm_mutex_of_cas [2022-11-02 21:01:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 21:01:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 21:01:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 21:01:26,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 21:01:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2022-11-02 21:01:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2022-11-02 21:01:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2022-11-02 21:01:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2022-11-02 21:01:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2022-11-02 21:01:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2022-11-02 21:01:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-02 21:01:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-02 21:01:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2022-11-02 21:01:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2022-11-02 21:01:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 21:01:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 21:01:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-02 21:01:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-02 21:01:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-02 21:01:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-02 21:01:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 21:01:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 21:01:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2022-11-02 21:01:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2022-11-02 21:01:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 21:01:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 21:01:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2022-11-02 21:01:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2022-11-02 21:01:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2022-11-02 21:01:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2022-11-02 21:01:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-02 21:01:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-02 21:01:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 21:01:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 21:01:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2022-11-02 21:01:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2022-11-02 21:01:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:01:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:01:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-02 21:01:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-02 21:01:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2022-11-02 21:01:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2022-11-02 21:01:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:01:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:01:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:01:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 21:01:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 21:01:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2022-11-02 21:01:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2022-11-02 21:01:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2022-11-02 21:01:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2022-11-02 21:01:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2022-11-02 21:01:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2022-11-02 21:01:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 21:01:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 21:01:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2022-11-02 21:01:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2022-11-02 21:01:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 21:01:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 21:01:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 21:01:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 21:01:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 21:01:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 21:01:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2022-11-02 21:01:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2022-11-02 21:01:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-02 21:01:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-02 21:01:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:01:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:01:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2022-11-02 21:01:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2022-11-02 21:01:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 21:01:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 21:01:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-02 21:01:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-02 21:01:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:01:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 21:01:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 21:01:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-02 21:01:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-02 21:01:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-02 21:01:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-02 21:01:27,458 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:01:27,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:01:27,924 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:05:26,040 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 21:05:26,300 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:05:26,340 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:05:26,340 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 21:05:26,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:26 BoogieIcfgContainer [2022-11-02 21:05:26,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:05:26,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:05:26,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:05:26,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:05:26,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:01:19" (1/3) ... [2022-11-02 21:05:26,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660ea159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:26, skipping insertion in model container [2022-11-02 21:05:26,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:24" (2/3) ... [2022-11-02 21:05:26,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660ea159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:26, skipping insertion in model container [2022-11-02 21:05:26,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:26" (3/3) ... [2022-11-02 21:05:26,361 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i [2022-11-02 21:05:26,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:05:26,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-02 21:05:26,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:05:26,527 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;@4de1e449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:05:26,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-02 21:05:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 3683 states, 2482 states have (on average 1.2917002417405319) internal successors, (3206), 2552 states have internal predecessors, (3206), 1045 states have call successors, (1045), 155 states have call predecessors, (1045), 154 states have return successors, (1040), 1028 states have call predecessors, (1040), 1040 states have call successors, (1040) [2022-11-02 21:05:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-02 21:05:26,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:26,560 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:26,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:05:26,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:26,566 INFO L85 PathProgramCache]: Analyzing trace with hash 134777034, now seen corresponding path program 1 times [2022-11-02 21:05:26,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:26,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123341811] [2022-11-02 21:05:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:26,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:05:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:05:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:05:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:05:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:05:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:05:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:05:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:05:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:05:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:05:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:05:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 21:05:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:05:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-11-02 21:05:28,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:28,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123341811] [2022-11-02 21:05:28,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123341811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:28,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:28,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:05:28,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153664531] [2022-11-02 21:05:28,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:28,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:05:28,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:28,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:05:28,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:28,758 INFO L87 Difference]: Start difference. First operand has 3683 states, 2482 states have (on average 1.2917002417405319) internal successors, (3206), 2552 states have internal predecessors, (3206), 1045 states have call successors, (1045), 155 states have call predecessors, (1045), 154 states have return successors, (1040), 1028 states have call predecessors, (1040), 1040 states have call successors, (1040) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-02 21:05:30,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:33,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []