./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa6f14838f0f83d59d9f54edcf6d2d61c8862c847567e768bd3614303ab0dc70 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:31:08,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:31:08,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:31:08,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:31:08,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:31:08,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:31:08,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:31:08,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:31:08,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:31:08,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:31:08,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:31:08,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:31:08,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:31:08,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:31:08,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:31:08,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:31:08,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:31:08,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:31:08,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:31:08,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:31:08,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:31:08,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:31:08,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:31:08,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:31:08,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:31:08,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:31:08,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:31:08,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:31:08,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:31:08,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:31:08,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:31:08,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:31:08,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:31:08,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:31:08,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:31:08,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:31:08,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:31:08,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:31:08,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:31:08,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:31:08,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:31:08,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:31:08,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:31:08,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:31:08,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:31:08,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:31:08,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:31:08,862 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:31:08,862 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:31:08,863 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:31:08,863 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:31:08,863 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:31:08,864 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:31:08,864 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:31:08,865 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:31:08,865 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:31:08,865 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:31:08,865 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:31:08,866 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:31:08,866 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:31:08,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:31:08,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:31:08,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:31:08,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:31:08,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:31:08,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:31:08,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:31:08,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:31:08,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:31:08,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:31:08,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:31:08,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:31:08,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:31:08,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:31:08,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:31:08,872 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:31:08,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:31:08,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:31:08,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:31:08,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:31:08,873 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa6f14838f0f83d59d9f54edcf6d2d61c8862c847567e768bd3614303ab0dc70 [2021-11-25 18:31:09,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:31:09,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:31:09,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:31:09,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:31:09,176 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:31:09,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-25 18:31:09,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/data/95afbc856/925ecbaa93c54ebf9b8b1fd0fb0394f4/FLAG8613de055 [2021-11-25 18:31:10,369 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:31:10,370 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-25 18:31:10,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/data/95afbc856/925ecbaa93c54ebf9b8b1fd0fb0394f4/FLAG8613de055 [2021-11-25 18:31:10,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/data/95afbc856/925ecbaa93c54ebf9b8b1fd0fb0394f4 [2021-11-25 18:31:10,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:31:10,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:31:10,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:31:10,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:31:10,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:31:10,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:10" (1/1) ... [2021-11-25 18:31:10,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b56415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:10, skipping insertion in model container [2021-11-25 18:31:10,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:10" (1/1) ... [2021-11-25 18:31:10,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:31:10,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:31:16,974 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_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[540944,540957] [2021-11-25 18:31:16,978 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_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541113,541126] [2021-11-25 18:31:16,978 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_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541280,541293] [2021-11-25 18:31:16,986 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_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541448,541461] [2021-11-25 18:31:17,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:31:17,122 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:31:17,829 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_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[540944,540957] [2021-11-25 18:31:17,830 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_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541113,541126] [2021-11-25 18:31:17,831 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_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541280,541293] [2021-11-25 18:31:17,831 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_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541448,541461] [2021-11-25 18:31:17,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:31:18,200 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:31:18,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18 WrapperNode [2021-11-25 18:31:18,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:31:18,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:31:18,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:31:18,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:31:18,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:18,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:18,724 INFO L137 Inliner]: procedures = 681, calls = 4259, calls flagged for inlining = 342, calls inlined = 274, statements flattened = 8207 [2021-11-25 18:31:18,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:31:18,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:31:18,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:31:18,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:31:18,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:18,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:18,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:18,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:18,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:18,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:19,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:19,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:31:19,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:31:19,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:31:19,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:31:19,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (1/1) ... [2021-11-25 18:31:19,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:31:19,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:31:19,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:31:19,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e4a8ac-0b3f-4663-a61e-bfb5923648a7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:31:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-11-25 18:31:19,279 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-11-25 18:31:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-11-25 18:31:19,279 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-11-25 18:31:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-11-25 18:31:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-11-25 18:31:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:31:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:31:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2021-11-25 18:31:19,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2021-11-25 18:31:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 18:31:19,281 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 18:31:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-11-25 18:31:19,281 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-11-25 18:31:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:31:19,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:31:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 18:31:19,282 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 18:31:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:31:19,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:31:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-11-25 18:31:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-11-25 18:31:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-25 18:31:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-25 18:31:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:31:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:31:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 18:31:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 18:31:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:31:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:31:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-11-25 18:31:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-11-25 18:31:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-11-25 18:31:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-11-25 18:31:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-25 18:31:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-25 18:31:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-25 18:31:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-25 18:31:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-11-25 18:31:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-11-25 18:31:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 18:31:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 18:31:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:31:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:31:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:31:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:31:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:31:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:31:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:31:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:31:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:31:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 18:31:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 18:31:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-11-25 18:31:19,289 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-11-25 18:31:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-25 18:31:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-25 18:31:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:31:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:31:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-25 18:31:19,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-25 18:31:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:31:19,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:31:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-25 18:31:19,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-25 18:31:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:31:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:31:19,293 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:31:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 18:31:19,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 18:31:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:31:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:31:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:31:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-11-25 18:31:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-11-25 18:31:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:31:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-11-25 18:31:19,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-11-25 18:31:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:31:19,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:31:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:31:19,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:31:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 18:31:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 18:31:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 18:31:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 18:31:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-25 18:31:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-25 18:31:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:31:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:31:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-25 18:31:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-25 18:31:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 18:31:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 18:31:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 18:31:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 18:31:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 18:31:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 18:31:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-11-25 18:31:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-11-25 18:31:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_3 [2021-11-25 18:31:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_3 [2021-11-25 18:31:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:31:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:31:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-11-25 18:31:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-11-25 18:31:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-11-25 18:31:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-11-25 18:31:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 18:31:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 18:31:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-11-25 18:31:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-11-25 18:31:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-11-25 18:31:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-11-25 18:31:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 18:31:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 18:31:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-11-25 18:31:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-11-25 18:31:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:31:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 18:31:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 18:31:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 18:31:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 18:31:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:31:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:31:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:31:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:31:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:31:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:31:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:31:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:31:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:31:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-11-25 18:31:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-11-25 18:31:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-11-25 18:31:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-11-25 18:31:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-25 18:31:19,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-25 18:31:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 18:31:19,319 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 18:31:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 18:31:19,319 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 18:31:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:31:19,319 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:31:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-11-25 18:31:19,320 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-11-25 18:31:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 18:31:19,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 18:31:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-25 18:31:19,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-25 18:31:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-25 18:31:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-25 18:31:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 18:31:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 18:31:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:31:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:31:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-11-25 18:31:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-11-25 18:31:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-11-25 18:31:19,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-11-25 18:31:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:31:19,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:31:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:31:19,322 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:31:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:31:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-11-25 18:31:19,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-11-25 18:31:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:31:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:31:19,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:31:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:31:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:31:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 18:31:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 18:31:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:31:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:31:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 18:31:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 18:31:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 18:31:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 18:31:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:31:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 18:31:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 18:31:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 18:31:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 18:31:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-11-25 18:31:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-11-25 18:31:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-25 18:31:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-25 18:31:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 18:31:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 18:31:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:31:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:31:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-11-25 18:31:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-11-25 18:31:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 18:31:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 18:31:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 18:31:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 18:31:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 18:31:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 18:31:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 18:31:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 18:31:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 18:31:19,331 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 18:31:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:31:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:31:19,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:31:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:31:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-25 18:31:19,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-25 18:31:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-25 18:31:19,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-25 18:31:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-11-25 18:31:19,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-11-25 18:31:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:31:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:31:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:31:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 18:31:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 18:31:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-11-25 18:31:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-11-25 18:31:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:31:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:31:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 18:31:19,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 18:31:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:31:19,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:31:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 18:31:19,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 18:31:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-11-25 18:31:19,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-11-25 18:31:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-11-25 18:31:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-11-25 18:31:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 18:31:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 18:31:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-25 18:31:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-25 18:31:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 18:31:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 18:31:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 18:31:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 18:31:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-11-25 18:31:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-11-25 18:31:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-11-25 18:31:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-11-25 18:31:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:31:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:31:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-11-25 18:31:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-11-25 18:31:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:31:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:31:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:31:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-11-25 18:31:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-11-25 18:31:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:31:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:31:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 18:31:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 18:31:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 18:31:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 18:31:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-11-25 18:31:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-11-25 18:31:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 18:31:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 18:31:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-11-25 18:31:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-11-25 18:31:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-11-25 18:31:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-11-25 18:31:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 18:31:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 18:31:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-11-25 18:31:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-11-25 18:31:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-11-25 18:31:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-11-25 18:31:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-11-25 18:31:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-11-25 18:31:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:31:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:31:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 18:31:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 18:31:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:31:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:31:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-11-25 18:31:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-11-25 18:31:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 18:31:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 18:31:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:31:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:31:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 18:31:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 18:31:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 18:31:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 18:31:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:31:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-11-25 18:31:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-11-25 18:31:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-25 18:31:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-25 18:31:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:31:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:31:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-11-25 18:31:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-11-25 18:31:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-25 18:31:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-25 18:31:20,475 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:31:20,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:31:22,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:44:39,458 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:44:44,353 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:44:44,354 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-25 18:44:44,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:44:44 BoogieIcfgContainer [2021-11-25 18:44:44,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:44:44,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:44:44,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:44:44,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:44:44,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:31:10" (1/3) ... [2021-11-25 18:44:44,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dcf72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:44:44, skipping insertion in model container [2021-11-25 18:44:44,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:18" (2/3) ... [2021-11-25 18:44:44,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dcf72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:44:44, skipping insertion in model container [2021-11-25 18:44:44,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:44:44" (3/3) ... [2021-11-25 18:44:44,373 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-25 18:44:44,380 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:44:44,380 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 18:44:44,460 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:44:44,470 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:44:44,472 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 18:44:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 1972 states, 1178 states have (on average 1.2945670628183361) internal successors, (1525), 1238 states have internal predecessors, (1525), 648 states have call successors, (648), 143 states have call predecessors, (648), 142 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) [2021-11-25 18:44:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 18:44:44,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:44:44,565 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:44:44,566 INFO L402 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)] === [2021-11-25 18:44:44,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:44:44,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1969993934, now seen corresponding path program 1 times [2021-11-25 18:44:44,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:44:44,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298344425] [2021-11-25 18:44:44,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:44:44,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:44:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:44:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 18:44:46,863 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:44:46,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298344425] [2021-11-25 18:44:46,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298344425] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:44:46,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:44:46,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:44:46,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037436857] [2021-11-25 18:44:46,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:44:46,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:44:46,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:44:46,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:44:46,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:44:46,905 INFO L87 Difference]: Start difference. First operand has 1972 states, 1178 states have (on average 1.2945670628183361) internal successors, (1525), 1238 states have internal predecessors, (1525), 648 states have call successors, (648), 143 states have call predecessors, (648), 142 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 18:44:49,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:44:51,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:44:54,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:44:58,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:45:05,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:45:14,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:45:16,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:45:19,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:45:19,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:45:19,785 INFO L93 Difference]: Finished difference Result 5671 states and 8330 transitions. [2021-11-25 18:45:19,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:45:19,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2021-11-25 18:45:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:45:19,863 INFO L225 Difference]: With dead ends: 5671 [2021-11-25 18:45:19,864 INFO L226 Difference]: Without dead ends: 3692 [2021-11-25 18:45:19,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:45:19,907 INFO L933 BasicCegarLoop]: 3466 mSDtfsCounter, 2494 mSDsluCounter, 10613 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 12786 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:45:19,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2517 Valid, 12786 Invalid, 1796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1785 Invalid, 8 Unknown, 0 Unchecked, 32.3s Time] [2021-11-25 18:45:19,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2021-11-25 18:45:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3648. [2021-11-25 18:45:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 2189 states have (on average 1.2827775239835542) internal successors, (2808), 2286 states have internal predecessors, (2808), 1183 states have call successors, (1183), 275 states have call predecessors, (1183), 273 states have return successors, (1215), 1155 states have call predecessors, (1215), 1177 states have call successors, (1215) [2021-11-25 18:45:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 5206 transitions. [2021-11-25 18:45:20,530 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 5206 transitions. Word has length 35 [2021-11-25 18:45:20,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:45:20,531 INFO L470 AbstractCegarLoop]: Abstraction has 3648 states and 5206 transitions. [2021-11-25 18:45:20,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 18:45:20,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 5206 transitions. [2021-11-25 18:45:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 18:45:20,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:45:20,537 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:45:20,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:45:20,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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)] === [2021-11-25 18:45:20,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:45:20,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1033619478, now seen corresponding path program 1 times [2021-11-25 18:45:20,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:45:20,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985600096] [2021-11-25 18:45:20,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:20,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:45:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 18:45:21,964 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:45:21,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985600096] [2021-11-25 18:45:21,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985600096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:45:21,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:45:21,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:45:21,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147128451] [2021-11-25 18:45:21,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:45:21,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:45:21,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:45:21,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:45:21,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:45:21,968 INFO L87 Difference]: Start difference. First operand 3648 states and 5206 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)