./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-via-via-velocity.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 619aeafe9cb645c9ebda9f6c63ec8c867e492d9d8d95ab95c903aac2c0ac3a48 --- 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-b5237d8 [2022-11-22 01:10:58,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:10:58,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:10:58,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:10:58,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:10:58,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:10:58,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:10:58,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:10:58,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:10:58,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:10:58,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:10:58,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:10:58,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:10:58,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:10:58,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:10:58,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:10:58,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:10:58,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:10:58,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:10:58,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:10:58,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:10:58,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:10:58,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:10:58,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:10:58,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:10:58,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:10:58,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:10:58,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:10:58,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:10:58,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:10:58,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:10:58,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:10:58,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:10:58,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:10:58,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:10:58,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:10:58,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:10:58,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:10:58,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:10:58,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:10:58,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:10:58,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:10:58,682 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:10:58,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:10:58,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:10:58,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:10:58,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:10:58,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:10:58,685 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:10:58,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:10:58,685 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:10:58,685 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:10:58,686 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:10:58,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:10:58,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:10:58,687 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:10:58,687 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:10:58,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:10:58,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:10:58,688 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:10:58,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:10:58,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:10:58,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:10:58,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:10:58,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:10:58,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:10:58,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:10:58,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:10:58,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:10:58,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:10:58,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:10:58,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:10:58,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:10:58,692 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:10:58,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:10:58,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:10:58,692 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:10:58,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:10:58,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:10:58,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:10:58,693 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_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 619aeafe9cb645c9ebda9f6c63ec8c867e492d9d8d95ab95c903aac2c0ac3a48 [2022-11-22 01:10:58,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:10:58,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:10:58,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:10:58,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:10:58,991 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:10:58,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i [2022-11-22 01:11:01,961 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:11:02,672 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:11:02,673 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i [2022-11-22 01:11:02,738 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/data/5a90dc8c4/b6970352b2464da59adff0a73bc50aa7/FLAG41df3d774 [2022-11-22 01:11:02,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/data/5a90dc8c4/b6970352b2464da59adff0a73bc50aa7 [2022-11-22 01:11:02,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:11:02,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:11:02,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:11:02,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:11:02,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:11:02,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:02" (1/1) ... [2022-11-22 01:11:02,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d872ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:02, skipping insertion in model container [2022-11-22 01:11:02,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:02" (1/1) ... [2022-11-22 01:11:02,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:11:02,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:11:07,801 WARN L237 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_a6c99688-c272-4ac3-becf-58322c6f3748/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[475371,475384] [2022-11-22 01:11:07,805 WARN L237 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_a6c99688-c272-4ac3-becf-58322c6f3748/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[475540,475553] [2022-11-22 01:11:07,806 WARN L237 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_a6c99688-c272-4ac3-becf-58322c6f3748/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[475707,475720] [2022-11-22 01:11:07,806 WARN L237 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_a6c99688-c272-4ac3-becf-58322c6f3748/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[475875,475888] [2022-11-22 01:11:07,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:11:07,938 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:11:08,470 WARN L237 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_a6c99688-c272-4ac3-becf-58322c6f3748/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[475371,475384] [2022-11-22 01:11:08,471 WARN L237 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_a6c99688-c272-4ac3-becf-58322c6f3748/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[475540,475553] [2022-11-22 01:11:08,471 WARN L237 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_a6c99688-c272-4ac3-becf-58322c6f3748/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[475707,475720] [2022-11-22 01:11:08,472 WARN L237 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_a6c99688-c272-4ac3-becf-58322c6f3748/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[475875,475888] [2022-11-22 01:11:08,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:11:08,810 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:11:08,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08 WrapperNode [2022-11-22 01:11:08,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:11:08,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:11:08,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:11:08,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:11:08,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:08,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,249 INFO L138 Inliner]: procedures = 638, calls = 3834, calls flagged for inlining = 348, calls inlined = 311, statements flattened = 8711 [2022-11-22 01:11:09,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:11:09,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:11:09,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:11:09,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:11:09,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,651 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:11:09,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:11:09,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:11:09,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:11:09,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (1/1) ... [2022-11-22 01:11:09,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:11:09,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:11:09,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:11:09,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c99688-c272-4ac3-becf-58322c6f3748/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:11:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 01:11:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 01:11:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:11:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:11:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2022-11-22 01:11:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2022-11-22 01:11:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 01:11:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 01:11:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-22 01:11:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-22 01:11:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:11:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:11:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:11:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:11:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_80 [2022-11-22 01:11:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_80 [2022-11-22 01:11:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-22 01:11:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-22 01:11:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:11:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:11:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:11:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:11:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_resume [2022-11-22 01:11:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_resume [2022-11-22 01:11:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_print_link_status [2022-11-22 01:11:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_print_link_status [2022-11-22 01:11:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_registers [2022-11-22 01:11:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_registers [2022-11-22 01:11:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_mii_write [2022-11-22 01:11:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_mii_write [2022-11-22 01:11:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:11:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:11:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:11:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:11:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 01:11:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 01:11:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:11:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:11:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_platform_remove [2022-11-22 01:11:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_platform_remove [2022-11-22 01:11:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:11:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:11:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure enable_flow_control_ability [2022-11-22 01:11:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_flow_control_ability [2022-11-22 01:11:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:11:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 01:11:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 01:11:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure set_pending_timer_val [2022-11-22 01:11:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pending_timer_val [2022-11-22 01:11:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:11:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:11:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:11:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:11:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:11:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_ethtool_up [2022-11-22 01:11:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_ethtool_up [2022-11-22 01:11:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure mac_wol_reset [2022-11-22 01:11:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_wol_reset [2022-11-22 01:11:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:11:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_ethtool_down [2022-11-22 01:11:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_ethtool_down [2022-11-22 01:11:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:11:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:11:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure mac_set_vlan_cam_mask [2022-11-22 01:11:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_set_vlan_cam_mask [2022-11-22 01:11:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:11:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:11:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:11:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:11:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:11:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:11:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:11:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:11:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:11:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-22 01:11:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-22 01:11:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_opt_media_mode [2022-11-22 01:11:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_opt_media_mode [2022-11-22 01:11:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_tx_srv [2022-11-22 01:11:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_tx_srv [2022-11-22 01:11:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-22 01:11:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-22 01:11:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:11:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:11:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-22 01:11:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-22 01:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_rx_refill [2022-11-22 01:11:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_rx_refill [2022-11-22 01:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 01:11:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 01:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_auto_on [2022-11-22 01:11:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_auto_on [2022-11-22 01:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 01:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 01:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 01:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 01:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-22 01:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-22 01:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_save_context [2022-11-22 01:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_save_context [2022-11-22 01:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 01:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 01:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 01:11:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 01:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:11:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:11:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:11:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:11:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:11:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:11:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_update_hw_mibs [2022-11-22 01:11:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_update_hw_mibs [2022-11-22 01:11:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_shutdown [2022-11-22 01:11:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_shutdown [2022-11-22 01:11:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 01:11:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 01:11:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure setup_queue_timers [2022-11-22 01:11:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_queue_timers [2022-11-22 01:11:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 01:11:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 01:11:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-22 01:11:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-22 01:11:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_rd_ring [2022-11-22 01:11:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_rd_ring [2022-11-22 01:11:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:11:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:11:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:11:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:11:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_dma_rings [2022-11-22 01:11:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_dma_rings [2022-11-22 01:11:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure safe_disable_mii_autopoll [2022-11-22 01:11:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_disable_mii_autopoll [2022-11-22 01:11:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 01:11:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 01:11:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_pending_timer_val [2022-11-22 01:11:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pending_timer_val [2022-11-22 01:11:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_unregister_notifier [2022-11-22 01:11:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_unregister_notifier [2022-11-22 01:11:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 01:11:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 01:11:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:11:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:11:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-22 01:11:09,932 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-22 01:11:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-22 01:11:09,932 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-22 01:11:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:11:09,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:11:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_media_mode [2022-11-22 01:11:09,933 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_media_mode [2022-11-22 01:11:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_cam_filter [2022-11-22 01:11:09,933 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_cam_filter [2022-11-22 01:11:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:11:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_probe [2022-11-22 01:11:09,933 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_probe [2022-11-22 01:11:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:11:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:11:09,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:11:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_pci_remove [2022-11-22 01:11:09,934 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_pci_remove [2022-11-22 01:11:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:11:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:11:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:11:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:11:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:11:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:11:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_velocity_info [2022-11-22 01:11:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_velocity_info [2022-11-22 01:11:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_rings [2022-11-22 01:11:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_rings [2022-11-22 01:11:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 01:11:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 01:11:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mii_autopoll [2022-11-22 01:11:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mii_autopoll [2022-11-22 01:11:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 01:11:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 01:11:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:11:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:11:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-22 01:11:09,938 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-22 01:11:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 01:11:09,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 01:11:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 01:11:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 01:11:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-22 01:11:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-22 01:11:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_79 [2022-11-22 01:11:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_79 [2022-11-22 01:11:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-22 01:11:09,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-22 01:11:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:11:09,940 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:11:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-22 01:11:09,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-22 01:11:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:11:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_int_opt [2022-11-22 01:11:09,941 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_int_opt [2022-11-22 01:11:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:11:09,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:11:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure mac_set_cam_mask [2022-11-22 01:11:09,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_set_cam_mask [2022-11-22 01:11:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:11:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_suspend [2022-11-22 01:11:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_suspend [2022-11-22 01:11:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 01:11:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 01:11:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_ip [2022-11-22 01:11:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_ip [2022-11-22 01:11:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:11:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_link [2022-11-22 01:11:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_link [2022-11-22 01:11:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:11:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:11:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 01:11:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 01:11:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure setup_adaptive_interrupts [2022-11-22 01:11:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_adaptive_interrupts [2022-11-22 01:11:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:11:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:11:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:11:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:11:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:11:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:11:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_power_state [2022-11-22 01:11:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_power_state [2022-11-22 01:11:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_close [2022-11-22 01:11:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_close [2022-11-22 01:11:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-22 01:11:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-22 01:11:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_bool_opt [2022-11-22 01:11:09,947 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_bool_opt [2022-11-22 01:11:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:11:09,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:11:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:11:09,948 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:11:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:11:09,948 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:11:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:11:09,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:11:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:11:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_rings [2022-11-22 01:11:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_rings [2022-11-22 01:11:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_intr [2022-11-22 01:11:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_intr [2022-11-22 01:11:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:11:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:11:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-11-22 01:11:09,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-11-22 01:11:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:11:09,950 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:11:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_remove [2022-11-22 01:11:09,950 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_remove [2022-11-22 01:11:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure check_connection_type [2022-11-22 01:11:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure check_connection_type [2022-11-22 01:11:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-22 01:11:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-22 01:11:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_rx_ring_indexes [2022-11-22 01:11:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_rx_ring_indexes [2022-11-22 01:11:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_mii_read [2022-11-22 01:11:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_mii_read [2022-11-22 01:11:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_open [2022-11-22 01:11:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_open [2022-11-22 01:11:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_give_many_rx_descs [2022-11-22 01:11:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_give_many_rx_descs [2022-11-22 01:11:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:11:09,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:11:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_multi [2022-11-22 01:11:09,953 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_multi [2022-11-22 01:11:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-22 01:11:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-22 01:11:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_platform_probe [2022-11-22 01:11:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_platform_probe [2022-11-22 01:11:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 01:11:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 01:11:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:11:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:11:09,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:11:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_velocity_info [2022-11-22 01:11:09,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_velocity_info [2022-11-22 01:11:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_poll_controller [2022-11-22 01:11:09,955 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_poll_controller [2022-11-22 01:11:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-22 01:11:09,956 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-22 01:11:11,547 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:11:11,555 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:11:12,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:25:53,510 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 01:25:53,665 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:25:59,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:25:59,187 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-22 01:25:59,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:25:59 BoogieIcfgContainer [2022-11-22 01:25:59,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:25:59,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:25:59,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:25:59,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:25:59,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:11:02" (1/3) ... [2022-11-22 01:25:59,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e09e5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:25:59, skipping insertion in model container [2022-11-22 01:25:59,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:08" (2/3) ... [2022-11-22 01:25:59,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e09e5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:25:59, skipping insertion in model container [2022-11-22 01:25:59,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:25:59" (3/3) ... [2022-11-22 01:25:59,201 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i [2022-11-22 01:25:59,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:25:59,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-22 01:25:59,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:25:59,353 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5e992b21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:25:59,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-22 01:25:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 2350 states, 1353 states have (on average 1.3096821877309681) internal successors, (1772), 1415 states have internal predecessors, (1772), 861 states have call successors, (861), 136 states have call predecessors, (861), 135 states have return successors, (853), 832 states have call predecessors, (853), 853 states have call successors, (853) [2022-11-22 01:25:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-22 01:25:59,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:25:59,419 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:25:59,421 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:25:59,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:25:59,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1444498297, now seen corresponding path program 1 times [2022-11-22 01:25:59,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:25:59,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617982841] [2022-11-22 01:25:59,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:25:59,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-11-22 01:26:02,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:02,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617982841] [2022-11-22 01:26:02,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617982841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:02,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:02,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:26:02,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851849885] [2022-11-22 01:26:02,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:02,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:02,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:02,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:02,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:02,897 INFO L87 Difference]: Start difference. First operand has 2350 states, 1353 states have (on average 1.3096821877309681) internal successors, (1772), 1415 states have internal predecessors, (1772), 861 states have call successors, (861), 136 states have call predecessors, (861), 135 states have return successors, (853), 832 states have call predecessors, (853), 853 states have call successors, (853) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-22 01:26:05,148 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 [] [2022-11-22 01:26:08,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:26:13,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:13,538 INFO L93 Difference]: Finished difference Result 6877 states and 10362 transitions. [2022-11-22 01:26:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:13,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 167 [2022-11-22 01:26:13,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:13,610 INFO L225 Difference]: With dead ends: 6877 [2022-11-22 01:26:13,611 INFO L226 Difference]: Without dead ends: 4545 [2022-11-22 01:26:13,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:13,643 INFO L413 NwaCegarLoop]: 3824 mSDtfsCounter, 3351 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 6784 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:13,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3351 Valid, 6784 Invalid, 899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 895 Invalid, 1 Unknown, 0 Unchecked, 10.2s Time] [2022-11-22 01:26:13,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4545 states. [2022-11-22 01:26:14,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4545 to 4541. [2022-11-22 01:26:14,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4541 states, 2623 states have (on average 1.3072817384674038) internal successors, (3429), 2743 states have internal predecessors, (3429), 1648 states have call successors, (1648), 268 states have call predecessors, (1648), 267 states have return successors, (1645), 1603 states have call predecessors, (1645), 1645 states have call successors, (1645) [2022-11-22 01:26:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 6722 transitions. [2022-11-22 01:26:14,073 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 6722 transitions. Word has length 167 [2022-11-22 01:26:14,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:14,078 INFO L495 AbstractCegarLoop]: Abstraction has 4541 states and 6722 transitions. [2022-11-22 01:26:14,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-22 01:26:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 6722 transitions. [2022-11-22 01:26:14,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-22 01:26:14,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:14,095 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:14,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:26:14,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:26:14,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:14,103 INFO L85 PathProgramCache]: Analyzing trace with hash -518920936, now seen corresponding path program 1 times [2022-11-22 01:26:14,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:14,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621827366] [2022-11-22 01:26:14,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:14,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms