./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI --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 fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:51:56,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:51:56,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:51:56,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:51:56,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:51:56,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:51:56,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:51:56,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:51:56,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:51:56,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:51:56,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:51:56,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:51:56,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:51:56,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:51:56,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:51:56,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:51:56,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:51:56,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:51:56,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:51:56,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:51:56,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:51:56,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:51:56,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:51:56,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:51:56,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:51:56,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:51:56,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:51:56,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:51:56,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:51:56,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:51:56,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:51:56,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:51:56,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:51:56,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:51:56,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:51:56,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:51:56,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:51:56,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:51:56,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:51:56,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:51:56,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:51:56,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:51:56,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:51:56,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:51:56,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:51:56,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:51:56,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:51:56,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:51:56,865 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:51:56,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:51:56,866 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:51:56,866 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:51:56,867 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:51:56,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:51:56,868 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:51:56,868 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:51:56,868 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:51:56,868 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:51:56,868 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:51:56,869 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:51:56,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:51:56,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:51:56,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:51:56,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:51:56,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:51:56,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:51:56,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:51:56,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:51:56,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:51:56,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:51:56,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:51:56,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:51:56,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:51:56,873 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:51:56,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:51:56,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:51:56,873 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:51:56,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:51:56,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:51:56,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:51:56,878 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_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad [2022-11-03 01:51:57,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:51:57,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:51:57,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:51:57,141 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:51:57,141 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:51:57,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-03 01:51:57,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/data/c3e0738f8/f2153a84f52c4fdd8693425fbe74f94c/FLAGda9273ecc [2022-11-03 01:51:58,516 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:51:58,518 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-03 01:51:58,616 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/data/c3e0738f8/f2153a84f52c4fdd8693425fbe74f94c/FLAGda9273ecc [2022-11-03 01:51:59,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/data/c3e0738f8/f2153a84f52c4fdd8693425fbe74f94c [2022-11-03 01:51:59,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:51:59,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:51:59,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:51:59,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:51:59,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:51:59,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:59" (1/1) ... [2022-11-03 01:51:59,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c85aa46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:59, skipping insertion in model container [2022-11-03 01:51:59,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:59" (1/1) ... [2022-11-03 01:51:59,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:51:59,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:52:09,286 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_1f23a809-dda3-4b1e-bd01-e6126b1701fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[947955,947968] [2022-11-03 01:52:09,288 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_1f23a809-dda3-4b1e-bd01-e6126b1701fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948124,948137] [2022-11-03 01:52:09,289 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_1f23a809-dda3-4b1e-bd01-e6126b1701fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948291,948304] [2022-11-03 01:52:09,289 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_1f23a809-dda3-4b1e-bd01-e6126b1701fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948459,948472] [2022-11-03 01:52:09,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:52:09,419 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:52:10,427 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_1f23a809-dda3-4b1e-bd01-e6126b1701fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[947955,947968] [2022-11-03 01:52:10,427 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_1f23a809-dda3-4b1e-bd01-e6126b1701fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948124,948137] [2022-11-03 01:52:10,428 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_1f23a809-dda3-4b1e-bd01-e6126b1701fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948291,948304] [2022-11-03 01:52:10,428 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_1f23a809-dda3-4b1e-bd01-e6126b1701fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948459,948472] [2022-11-03 01:52:10,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:52:10,943 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:52:10,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10 WrapperNode [2022-11-03 01:52:10,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:52:10,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:52:10,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:52:10,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:52:10,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:11,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:12,355 INFO L138 Inliner]: procedures = 870, calls = 16491, calls flagged for inlining = 430, calls inlined = 363, statements flattened = 28933 [2022-11-03 01:52:12,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:52:12,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:52:12,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:52:12,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:52:12,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:12,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:12,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:12,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:13,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:13,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:13,424 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:13,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:13,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:52:13,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:52:13,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:52:13,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:52:13,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (1/1) ... [2022-11-03 01:52:13,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:52:13,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:52:13,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:52:13,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f23a809-dda3-4b1e-bd01-e6126b1701fe/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:52:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-03 01:52:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-03 01:52:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 01:52:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 01:52:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-03 01:52:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-03 01:52:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-03 01:52:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-03 01:52:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 01:52:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 01:52:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-03 01:52:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-03 01:52:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-03 01:52:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-03 01:52:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 01:52:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 01:52:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-03 01:52:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-03 01:52:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:52:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:52:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-03 01:52:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-03 01:52:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:52:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:52:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:52:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:52:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-03 01:52:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-03 01:52:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 01:52:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 01:52:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-03 01:52:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-03 01:52:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-03 01:52:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-03 01:52:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-03 01:52:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-03 01:52:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:52:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:52:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:52:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:52:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:52:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:52:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:52:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:52:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-03 01:52:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-03 01:52:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-03 01:52:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-03 01:52:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-03 01:52:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-03 01:52:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 01:52:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 01:52:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:52:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:52:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:52:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:52:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-03 01:52:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-03 01:52:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-03 01:52:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-03 01:52:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 01:52:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 01:52:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-03 01:52:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-03 01:52:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:52:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:52:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-03 01:52:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-03 01:52:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:52:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:52:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-03 01:52:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-03 01:52:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:52:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-03 01:52:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-03 01:52:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-03 01:52:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-03 01:52:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-03 01:52:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-03 01:52:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 01:52:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 01:52:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:52:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:52:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-03 01:52:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-03 01:52:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:52:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:52:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-03 01:52:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-03 01:52:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-03 01:52:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-03 01:52:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-03 01:52:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-03 01:52:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 01:52:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 01:52:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:52:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 01:52:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 01:52:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 01:52:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 01:52:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-03 01:52:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-03 01:52:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:52:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:52:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:52:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:52:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:52:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:52:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-03 01:52:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-03 01:52:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:52:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 01:52:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 01:52:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-03 01:52:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-03 01:52:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:52:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:52:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-03 01:52:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-03 01:52:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:52:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:52:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-03 01:52:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-03 01:52:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 01:52:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 01:52:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-03 01:52:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-03 01:52:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-03 01:52:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-03 01:52:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:52:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:52:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-03 01:52:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-03 01:52:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-03 01:52:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-03 01:52:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 01:52:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 01:52:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:52:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:52:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-03 01:52:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-03 01:52:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-03 01:52:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-03 01:52:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-03 01:52:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-03 01:52:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-03 01:52:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-03 01:52:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:52:13,758 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:52:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-03 01:52:13,758 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-03 01:52:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:52:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:52:13,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:52:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-03 01:52:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-03 01:52:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:52:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:52:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:52:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 01:52:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 01:52:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-03 01:52:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-03 01:52:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 01:52:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 01:52:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 01:52:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 01:52:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:52:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:52:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-03 01:52:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-03 01:52:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-03 01:52:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-03 01:52:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-03 01:52:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-03 01:52:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:52:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:52:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-03 01:52:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-03 01:52:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 01:52:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 01:52:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 01:52:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 01:52:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:52:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:52:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:52:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-03 01:52:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-03 01:52:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:52:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 01:52:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 01:52:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-03 01:52:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-03 01:52:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-03 01:52:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-03 01:52:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-03 01:52:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-03 01:52:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-03 01:52:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-03 01:52:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:52:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:52:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-03 01:52:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-03 01:52:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:52:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:52:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:52:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:52:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-03 01:52:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-03 01:52:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-03 01:52:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-03 01:52:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-03 01:52:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-03 01:52:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-03 01:52:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-03 01:52:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-03 01:52:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-03 01:52:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 01:52:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 01:52:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-03 01:52:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-03 01:52:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-03 01:52:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-03 01:52:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 01:52:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 01:52:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:52:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:52:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:52:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-03 01:52:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-03 01:52:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:52:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:52:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_88 [2022-11-03 01:52:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_88 [2022-11-03 01:52:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-03 01:52:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-03 01:52:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 01:52:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 01:52:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-03 01:52:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-03 01:52:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-03 01:52:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-03 01:52:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-03 01:52:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-03 01:52:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-03 01:52:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-03 01:52:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-03 01:52:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-03 01:52:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:52:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:52:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-03 01:52:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-03 01:52:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:52:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:52:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 01:52:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 01:52:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 01:52:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-03 01:52:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-03 01:52:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-03 01:52:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-03 01:52:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:52:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:52:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_91 [2022-11-03 01:52:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_91 [2022-11-03 01:52:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:52:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:52:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2022-11-03 01:52:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2022-11-03 01:52:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 01:52:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 01:52:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-03 01:52:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-03 01:52:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:52:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:52:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-03 01:52:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-03 01:52:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-03 01:52:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-03 01:52:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-03 01:52:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-03 01:52:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:52:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:52:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 01:52:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 01:52:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 01:52:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 01:52:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:52:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:52:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-03 01:52:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-03 01:52:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-03 01:52:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-03 01:52:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-03 01:52:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-03 01:52:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2022-11-03 01:52:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2022-11-03 01:52:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-03 01:52:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-03 01:52:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-03 01:52:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-03 01:52:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:52:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:52:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:52:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:52:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:52:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:52:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:52:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:52:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 01:52:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 01:52:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:52:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-03 01:52:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-03 01:52:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-03 01:52:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-03 01:52:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-03 01:52:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-03 01:52:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-03 01:52:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-03 01:52:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-03 01:52:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-03 01:52:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:52:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:52:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:52:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-03 01:52:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-03 01:52:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-03 01:52:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-03 01:52:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:52:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:52:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:52:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-03 01:52:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-03 01:52:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:52:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:52:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-03 01:52:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-03 01:52:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-03 01:52:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-03 01:52:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 01:52:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 01:52:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 01:52:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 01:52:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-03 01:52:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-03 01:52:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-03 01:52:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-03 01:52:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 01:52:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 01:52:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-03 01:52:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-03 01:52:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-03 01:52:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-03 01:52:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 01:52:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 01:52:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:52:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:52:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:52:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:52:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-03 01:52:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-03 01:52:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 01:52:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 01:52:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-03 01:52:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-03 01:52:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-03 01:52:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-03 01:52:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-03 01:52:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-03 01:52:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 01:52:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 01:52:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:52:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:52:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:52:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:52:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-03 01:52:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-03 01:52:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:52:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:52:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-03 01:52:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-03 01:52:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-03 01:52:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-03 01:52:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 01:52:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 01:52:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-03 01:52:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-03 01:52:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 01:52:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 01:52:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-03 01:52:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-03 01:52:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:52:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:52:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-03 01:52:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-03 01:52:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 01:52:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 01:52:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:52:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:52:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:52:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 01:52:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 01:52:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:52:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:52:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:52:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:52:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:52:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:52:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-03 01:52:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-03 01:52:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:52:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:52:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 01:52:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 01:52:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-03 01:52:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-03 01:52:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:52:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:52:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-03 01:52:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-03 01:52:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-03 01:52:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-03 01:52:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-03 01:52:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-03 01:52:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:52:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:52:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:52:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:52:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 01:52:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 01:52:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:52:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:52:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 01:52:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 01:52:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 01:52:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 01:52:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:52:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-03 01:52:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-03 01:52:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-03 01:52:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-03 01:52:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-03 01:52:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-03 01:52:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 01:52:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 01:52:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:52:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:52:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 01:52:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 01:52:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-03 01:52:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-03 01:52:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-03 01:52:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-03 01:52:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-03 01:52:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-03 01:52:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_87 [2022-11-03 01:52:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_87 [2022-11-03 01:52:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-03 01:52:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-03 01:52:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 01:52:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 01:52:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:52:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:52:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-03 01:52:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-03 01:52:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-03 01:52:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-03 01:52:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-03 01:52:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-03 01:52:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-03 01:52:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-03 01:52:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-03 01:52:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-03 01:52:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 01:52:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 01:52:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 01:52:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 01:52:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:52:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:52:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-03 01:52:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-03 01:52:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-03 01:52:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-03 01:52:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-03 01:52:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-03 01:52:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-03 01:52:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-03 01:52:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-03 01:52:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-03 01:52:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 01:52:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 01:52:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-03 01:52:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-03 01:52:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:52:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:52:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-03 01:52:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-03 01:52:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 01:52:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 01:52:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-03 01:52:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-03 01:52:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-03 01:52:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-03 01:52:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:52:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:52:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 01:52:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 01:52:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:52:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:52:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-03 01:52:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-03 01:52:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-03 01:52:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-03 01:52:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:52:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:52:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-03 01:52:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-03 01:52:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 01:52:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 01:52:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-03 01:52:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-03 01:52:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:52:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:52:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:52:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 01:52:16,067 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:52:16,072 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:52:17,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:53:20,878 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 01:53:21,269 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:53:30,251 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:53:30,251 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-03 01:53:30,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:30 BoogieIcfgContainer [2022-11-03 01:53:30,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:53:30,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:53:30,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:53:30,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:53:30,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:51:59" (1/3) ... [2022-11-03 01:53:30,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19de2948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:30, skipping insertion in model container [2022-11-03 01:53:30,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:10" (2/3) ... [2022-11-03 01:53:30,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19de2948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:30, skipping insertion in model container [2022-11-03 01:53:30,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:30" (3/3) ... [2022-11-03 01:53:30,275 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-03 01:53:30,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:53:30,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-03 01:53:30,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:53:30,575 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;@39909e3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:53:30,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-03 01:53:30,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 6787 states, 4327 states have (on average 1.3413450427547955) internal successors, (5804), 4421 states have internal predecessors, (5804), 2207 states have call successors, (2207), 253 states have call predecessors, (2207), 252 states have return successors, (2201), 2193 states have call predecessors, (2201), 2201 states have call successors, (2201) [2022-11-03 01:53:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-03 01:53:30,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:30,630 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:30,630 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)] === [2022-11-03 01:53:30,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:30,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1651085325, now seen corresponding path program 1 times [2022-11-03 01:53:30,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:30,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926010478] [2022-11-03 01:53:30,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:30,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-03 01:53:32,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:32,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926010478] [2022-11-03 01:53:32,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926010478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:32,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:32,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:32,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451308434] [2022-11-03 01:53:32,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:32,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:32,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:32,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:32,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:32,924 INFO L87 Difference]: Start difference. First operand has 6787 states, 4327 states have (on average 1.3413450427547955) internal successors, (5804), 4421 states have internal predecessors, (5804), 2207 states have call successors, (2207), 253 states have call predecessors, (2207), 252 states have return successors, (2201), 2193 states have call predecessors, (2201), 2201 states have call successors, (2201) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 01:53:35,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:43,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:48,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:52,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:56,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:58,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:00,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:03,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:04,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:04,314 INFO L93 Difference]: Finished difference Result 19744 states and 30421 transitions. [2022-11-03 01:54:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:04,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 251 [2022-11-03 01:54:04,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:04,422 INFO L225 Difference]: With dead ends: 19744 [2022-11-03 01:54:04,422 INFO L226 Difference]: Without dead ends: 12994 [2022-11-03 01:54:04,533 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 [2022-11-03 01:54:04,536 INFO L413 NwaCegarLoop]: 11349 mSDtfsCounter, 9346 mSDsluCounter, 10138 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9349 SdHoareTripleChecker+Valid, 20620 SdHoareTripleChecker+Invalid, 1787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:04,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9349 Valid, 20620 Invalid, 1787 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1773 Invalid, 7 Unknown, 0 Unchecked, 30.4s Time] [2022-11-03 01:54:04,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12994 states. [2022-11-03 01:54:05,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12994 to 12982. [2022-11-03 01:54:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12982 states, 8248 states have (on average 1.3352327837051405) internal successors, (11013), 8430 states have internal predecessors, (11013), 4237 states have call successors, (4237), 495 states have call predecessors, (4237), 494 states have return successors, (4236), 4217 states have call predecessors, (4236), 4233 states have call successors, (4236) [2022-11-03 01:54:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12982 states to 12982 states and 19486 transitions. [2022-11-03 01:54:06,090 INFO L78 Accepts]: Start accepts. Automaton has 12982 states and 19486 transitions. Word has length 251 [2022-11-03 01:54:06,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:06,095 INFO L495 AbstractCegarLoop]: Abstraction has 12982 states and 19486 transitions. [2022-11-03 01:54:06,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 01:54:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12982 states and 19486 transitions. [2022-11-03 01:54:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-03 01:54:06,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:06,115 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:06,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:54:06,116 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)] === [2022-11-03 01:54:06,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:06,118 INFO L85 PathProgramCache]: Analyzing trace with hash -752238019, now seen corresponding path program 1 times [2022-11-03 01:54:06,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:06,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389845632] [2022-11-03 01:54:06,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:06,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2073 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2073 trivial. 0 not checked. [2022-11-03 01:54:07,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:07,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389845632] [2022-11-03 01:54:07,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389845632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:07,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:07,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:07,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777802238] [2022-11-03 01:54:07,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:07,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:07,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:07,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:07,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:07,430 INFO L87 Difference]: Start difference. First operand 12982 states and 19486 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 01:54:11,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:18,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:24,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:26,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:28,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:30,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:34,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:37,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:40,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:42,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:42,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:42,602 INFO L93 Difference]: Finished difference Result 28385 states and 42472 transitions. [2022-11-03 01:54:42,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:42,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 277 [2022-11-03 01:54:42,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:42,714 INFO L225 Difference]: With dead ends: 28385 [2022-11-03 01:54:42,714 INFO L226 Difference]: Without dead ends: 15450 [2022-11-03 01:54:42,787 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 [2022-11-03 01:54:42,788 INFO L413 NwaCegarLoop]: 12764 mSDtfsCounter, 6495 mSDsluCounter, 10000 mSDsCounter, 0 mSdLazyCounter, 1927 mSolverCounterSat, 7 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6497 SdHoareTripleChecker+Valid, 21952 SdHoareTripleChecker+Invalid, 1943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1927 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:42,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6497 Valid, 21952 Invalid, 1943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1927 Invalid, 9 Unknown, 0 Unchecked, 34.3s Time] [2022-11-03 01:54:42,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15450 states. [2022-11-03 01:54:44,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15450 to 15412. [2022-11-03 01:54:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15412 states, 9772 states have (on average 1.3286942284076955) internal successors, (12984), 9974 states have internal predecessors, (12984), 5003 states have call successors, (5003), 636 states have call predecessors, (5003), 634 states have return successors, (5003), 4982 states have call predecessors, (5003), 4999 states have call successors, (5003) [2022-11-03 01:54:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15412 states to 15412 states and 22990 transitions. [2022-11-03 01:54:44,190 INFO L78 Accepts]: Start accepts. Automaton has 15412 states and 22990 transitions. Word has length 277 [2022-11-03 01:54:44,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:44,192 INFO L495 AbstractCegarLoop]: Abstraction has 15412 states and 22990 transitions. [2022-11-03 01:54:44,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 01:54:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 15412 states and 22990 transitions. [2022-11-03 01:54:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-03 01:54:44,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:44,202 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-11-03 01:54:44,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:54:44,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2022-11-03 01:54:44,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:44,212 INFO L85 PathProgramCache]: Analyzing trace with hash 970769799, now seen corresponding path program 1 times [2022-11-03 01:54:44,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:44,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114816495] [2022-11-03 01:54:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:44,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-03 01:54:45,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:45,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114816495] [2022-11-03 01:54:45,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114816495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:45,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:45,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:45,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338304138] [2022-11-03 01:54:45,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:45,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:45,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:45,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:45,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:45,750 INFO L87 Difference]: Start difference. First operand 15412 states and 22990 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 01:54:50,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:59,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:05,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:07,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:09,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:11,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:14,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:16,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:18,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:22,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:22,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:22,343 INFO L93 Difference]: Finished difference Result 31895 states and 47640 transitions. [2022-11-03 01:55:22,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:22,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 290 [2022-11-03 01:55:22,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:22,433 INFO L225 Difference]: With dead ends: 31895 [2022-11-03 01:55:22,434 INFO L226 Difference]: Without dead ends: 16530 [2022-11-03 01:55:22,527 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 [2022-11-03 01:55:22,528 INFO L413 NwaCegarLoop]: 15028 mSDtfsCounter, 7780 mSDsluCounter, 10103 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 18 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7794 SdHoareTripleChecker+Valid, 24270 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:22,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7794 Valid, 24270 Invalid, 2377 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 2350 Invalid, 9 Unknown, 0 Unchecked, 35.9s Time] [2022-11-03 01:55:22,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16530 states. [2022-11-03 01:55:23,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16530 to 16493. [2022-11-03 01:55:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16493 states, 10497 states have (on average 1.3305706392302563) internal successors, (13967), 10724 states have internal predecessors, (13967), 5327 states have call successors, (5327), 671 states have call predecessors, (5327), 666 states have return successors, (5327), 5289 states have call predecessors, (5327), 5323 states have call successors, (5327) [2022-11-03 01:55:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16493 states to 16493 states and 24621 transitions. [2022-11-03 01:55:23,854 INFO L78 Accepts]: Start accepts. Automaton has 16493 states and 24621 transitions. Word has length 290 [2022-11-03 01:55:23,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:23,855 INFO L495 AbstractCegarLoop]: Abstraction has 16493 states and 24621 transitions. [2022-11-03 01:55:23,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 01:55:23,856 INFO L276 IsEmpty]: Start isEmpty. Operand 16493 states and 24621 transitions. [2022-11-03 01:55:23,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-03 01:55:23,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:23,861 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 4, 4, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:23,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:55:23,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2022-11-03 01:55:23,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1806080851, now seen corresponding path program 1 times [2022-11-03 01:55:23,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:23,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731607526] [2022-11-03 01:55:23,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:23,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2247 trivial. 0 not checked. [2022-11-03 01:55:26,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:26,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731607526] [2022-11-03 01:55:26,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731607526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:26,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:26,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:55:26,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460821047] [2022-11-03 01:55:26,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:26,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:55:26,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:26,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:55:26,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:55:26,314 INFO L87 Difference]: Start difference. First operand 16493 states and 24621 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 01:55:29,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:32,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:51,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:55,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:58,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:01,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:03,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:05,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:07,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:09,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:13,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:15,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:18,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:18,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:18,719 INFO L93 Difference]: Finished difference Result 18622 states and 27592 transitions. [2022-11-03 01:56:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:56:18,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 293 [2022-11-03 01:56:18,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:18,812 INFO L225 Difference]: With dead ends: 18622 [2022-11-03 01:56:18,812 INFO L226 Difference]: Without dead ends: 18620 [2022-11-03 01:56:18,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:56:18,827 INFO L413 NwaCegarLoop]: 10017 mSDtfsCounter, 2764 mSDsluCounter, 31882 mSDsCounter, 0 mSdLazyCounter, 3554 mSolverCounterSat, 2 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 39251 SdHoareTripleChecker+Invalid, 3568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3554 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:18,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 39251 Invalid, 3568 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3554 Invalid, 12 Unknown, 0 Unchecked, 51.8s Time] [2022-11-03 01:56:18,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18620 states. [2022-11-03 01:56:20,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18620 to 18607. [2022-11-03 01:56:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18607 states, 11732 states have (on average 1.3227071258097511) internal successors, (15518), 12005 states have internal predecessors, (15518), 6031 states have call successors, (6031), 849 states have call predecessors, (6031), 841 states have return successors, (6027), 5982 states have call predecessors, (6027), 6023 states have call successors, (6027) [2022-11-03 01:56:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18607 states to 18607 states and 27576 transitions. [2022-11-03 01:56:20,260 INFO L78 Accepts]: Start accepts. Automaton has 18607 states and 27576 transitions. Word has length 293 [2022-11-03 01:56:20,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:20,261 INFO L495 AbstractCegarLoop]: Abstraction has 18607 states and 27576 transitions. [2022-11-03 01:56:20,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 01:56:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 18607 states and 27576 transitions. [2022-11-03 01:56:20,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-03 01:56:20,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:20,268 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:20,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:56:20,269 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-11-03 01:56:20,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:20,269 INFO L85 PathProgramCache]: Analyzing trace with hash -527297441, now seen corresponding path program 1 times [2022-11-03 01:56:20,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:20,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074395945] [2022-11-03 01:56:20,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:20,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2257 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2255 trivial. 0 not checked. [2022-11-03 01:56:22,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:22,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074395945] [2022-11-03 01:56:22,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074395945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:22,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:22,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:56:22,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611714780] [2022-11-03 01:56:22,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:22,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:56:22,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:22,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:56:22,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:56:22,713 INFO L87 Difference]: Start difference. First operand 18607 states and 27576 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 01:56:27,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:39,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:47,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:51,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:53,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:55,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:58,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:02,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:06,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:13,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:17,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:18,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:57:18,251 INFO L93 Difference]: Finished difference Result 34459 states and 51254 transitions. [2022-11-03 01:57:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:57:18,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 302 [2022-11-03 01:57:18,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:57:18,437 INFO L225 Difference]: With dead ends: 34459 [2022-11-03 01:57:18,437 INFO L226 Difference]: Without dead ends: 34457 [2022-11-03 01:57:18,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:57:18,464 INFO L413 NwaCegarLoop]: 15309 mSDtfsCounter, 9399 mSDsluCounter, 43360 mSDsCounter, 0 mSdLazyCounter, 4914 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9418 SdHoareTripleChecker+Valid, 55119 SdHoareTripleChecker+Invalid, 4926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4914 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:57:18,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9418 Valid, 55119 Invalid, 4926 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 4914 Invalid, 9 Unknown, 0 Unchecked, 54.4s Time] [2022-11-03 01:57:18,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34457 states. [2022-11-03 01:57:21,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34457 to 34403. [2022-11-03 01:57:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34403 states, 21733 states have (on average 1.325495789812727) internal successors, (28807), 22233 states have internal predecessors, (28807), 11167 states have call successors, (11167), 1513 states have call predecessors, (11167), 1500 states have return successors, (11211), 11075 states have call predecessors, (11211), 11155 states have call successors, (11211) [2022-11-03 01:57:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34403 states to 34403 states and 51185 transitions. [2022-11-03 01:57:21,364 INFO L78 Accepts]: Start accepts. Automaton has 34403 states and 51185 transitions. Word has length 302 [2022-11-03 01:57:21,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:57:21,366 INFO L495 AbstractCegarLoop]: Abstraction has 34403 states and 51185 transitions. [2022-11-03 01:57:21,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 01:57:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 34403 states and 51185 transitions. [2022-11-03 01:57:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-03 01:57:21,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:57:21,373 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:57:21,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:57:21,374 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-11-03 01:57:21,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:57:21,374 INFO L85 PathProgramCache]: Analyzing trace with hash -657573843, now seen corresponding path program 1 times [2022-11-03 01:57:21,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:57:21,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51976920] [2022-11-03 01:57:21,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:57:21,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:57:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:57:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2251 trivial. 0 not checked. [2022-11-03 01:57:24,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:57:24,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51976920] [2022-11-03 01:57:24,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51976920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:57:24,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:57:24,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:57:24,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481358676] [2022-11-03 01:57:24,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:57:24,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:57:24,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:57:24,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:57:24,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:57:24,243 INFO L87 Difference]: Start difference. First operand 34403 states and 51185 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 01:57:28,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:30,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:32,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:37,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:46,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:49,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:51,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:53,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:57,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:59,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:06,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:11,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:14,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:14,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:58:14,831 INFO L93 Difference]: Finished difference Result 66254 states and 98773 transitions. [2022-11-03 01:58:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:58:14,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 303 [2022-11-03 01:58:14,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:58:15,354 INFO L225 Difference]: With dead ends: 66254 [2022-11-03 01:58:15,354 INFO L226 Difference]: Without dead ends: 66252 [2022-11-03 01:58:15,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:58:15,381 INFO L413 NwaCegarLoop]: 11412 mSDtfsCounter, 9695 mSDsluCounter, 34647 mSDsCounter, 0 mSdLazyCounter, 3529 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9713 SdHoareTripleChecker+Valid, 43430 SdHoareTripleChecker+Invalid, 3541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3529 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:58:15,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9713 Valid, 43430 Invalid, 3541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3529 Invalid, 10 Unknown, 0 Unchecked, 48.8s Time] [2022-11-03 01:58:15,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66252 states. [2022-11-03 01:58:19,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66252 to 66207. [2022-11-03 01:58:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66207 states, 41899 states have (on average 1.3277882527029286) internal successors, (55633), 42853 states have internal predecessors, (55633), 21494 states have call successors, (21494), 2834 states have call predecessors, (21494), 2811 states have return successors, (21589), 21318 states have call predecessors, (21589), 21474 states have call successors, (21589) [2022-11-03 01:58:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66207 states to 66207 states and 98716 transitions. [2022-11-03 01:58:20,843 INFO L78 Accepts]: Start accepts. Automaton has 66207 states and 98716 transitions. Word has length 303 [2022-11-03 01:58:20,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:58:20,844 INFO L495 AbstractCegarLoop]: Abstraction has 66207 states and 98716 transitions. [2022-11-03 01:58:20,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 01:58:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 66207 states and 98716 transitions. [2022-11-03 01:58:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-03 01:58:20,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:58:20,852 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 4, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:58:20,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:58:20,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-11-03 01:58:20,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:58:20,853 INFO L85 PathProgramCache]: Analyzing trace with hash 762661215, now seen corresponding path program 1 times [2022-11-03 01:58:20,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:58:20,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045573803] [2022-11-03 01:58:20,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:58:20,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:58:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:58:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2273 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2267 trivial. 0 not checked. [2022-11-03 01:58:23,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:58:23,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045573803] [2022-11-03 01:58:23,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045573803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:58:23,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:58:23,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:58:23,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182336500] [2022-11-03 01:58:23,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:58:23,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:58:23,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:58:23,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:58:23,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:58:23,289 INFO L87 Difference]: Start difference. First operand 66207 states and 98716 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 01:58:27,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:39,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:45,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:47,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:53,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:54,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:56,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:58,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:00,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:04,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:06,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:08,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:13,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:16,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:16,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:59:16,928 INFO L93 Difference]: Finished difference Result 69107 states and 103111 transitions. [2022-11-03 01:59:16,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:59:16,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 312 [2022-11-03 01:59:16,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:59:17,270 INFO L225 Difference]: With dead ends: 69107 [2022-11-03 01:59:17,270 INFO L226 Difference]: Without dead ends: 69105 [2022-11-03 01:59:17,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:59:17,300 INFO L413 NwaCegarLoop]: 12784 mSDtfsCounter, 6488 mSDsluCounter, 37608 mSDsCounter, 0 mSdLazyCounter, 3857 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6504 SdHoareTripleChecker+Valid, 47546 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3857 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:59:17,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6504 Valid, 47546 Invalid, 3868 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3857 Invalid, 9 Unknown, 0 Unchecked, 51.6s Time] [2022-11-03 01:59:17,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69105 states. [2022-11-03 01:59:21,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69105 to 69093. [2022-11-03 01:59:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69093 states, 43784 states have (on average 1.3284076374931482) internal successors, (58163), 44759 states have internal predecessors, (58163), 22418 states have call successors, (22418), 2910 states have call predecessors, (22418), 2888 states have return successors, (22515), 22242 states have call predecessors, (22515), 22398 states have call successors, (22515) [2022-11-03 01:59:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69093 states to 69093 states and 103096 transitions. [2022-11-03 01:59:22,624 INFO L78 Accepts]: Start accepts. Automaton has 69093 states and 103096 transitions. Word has length 312 [2022-11-03 01:59:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:59:22,625 INFO L495 AbstractCegarLoop]: Abstraction has 69093 states and 103096 transitions. [2022-11-03 01:59:22,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 01:59:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 69093 states and 103096 transitions. [2022-11-03 01:59:22,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-03 01:59:22,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:22,635 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 5, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:59:22,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:59:22,636 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-11-03 01:59:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1191265599, now seen corresponding path program 1 times [2022-11-03 01:59:22,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:22,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752414836] [2022-11-03 01:59:22,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:22,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:59:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2287 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2279 trivial. 0 not checked. [2022-11-03 01:59:25,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:59:25,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752414836] [2022-11-03 01:59:25,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752414836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:59:25,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:59:25,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:59:25,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666019260] [2022-11-03 01:59:25,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:59:25,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:59:25,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:59:25,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:59:25,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:59:25,156 INFO L87 Difference]: Start difference. First operand 69093 states and 103096 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-03 01:59:29,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:35,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:38,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:45,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:00,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:02,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:04,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:06,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:11,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:14,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:20,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:22,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:22,449 INFO L93 Difference]: Finished difference Result 131111 states and 196175 transitions. [2022-11-03 02:00:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:00:22,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 317 [2022-11-03 02:00:22,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:23,447 INFO L225 Difference]: With dead ends: 131111 [2022-11-03 02:00:23,448 INFO L226 Difference]: Without dead ends: 131109 [2022-11-03 02:00:23,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:00:23,489 INFO L413 NwaCegarLoop]: 15470 mSDtfsCounter, 9542 mSDsluCounter, 43517 mSDsCounter, 0 mSdLazyCounter, 4965 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9558 SdHoareTripleChecker+Valid, 55407 SdHoareTripleChecker+Invalid, 4976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4965 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:23,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9558 Valid, 55407 Invalid, 4976 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 4965 Invalid, 8 Unknown, 0 Unchecked, 53.4s Time] [2022-11-03 02:00:23,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131109 states. [2022-11-03 02:00:32,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131109 to 131022. [2022-11-03 02:00:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131022 states, 82765 states have (on average 1.3264665015405062) internal successors, (109785), 84774 states have internal predecessors, (109785), 42794 states have call successors, (42794), 5523 states have call predecessors, (42794), 5460 states have return successors, (43487), 42305 states have call predecessors, (43487), 42758 states have call successors, (43487) [2022-11-03 02:00:33,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131022 states to 131022 states and 196066 transitions. [2022-11-03 02:00:33,851 INFO L78 Accepts]: Start accepts. Automaton has 131022 states and 196066 transitions. Word has length 317 [2022-11-03 02:00:33,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:33,852 INFO L495 AbstractCegarLoop]: Abstraction has 131022 states and 196066 transitions. [2022-11-03 02:00:33,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-03 02:00:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 131022 states and 196066 transitions. [2022-11-03 02:00:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-11-03 02:00:33,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:33,859 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:00:33,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:00:33,859 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-11-03 02:00:33,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:33,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1096548109, now seen corresponding path program 1 times [2022-11-03 02:00:33,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:33,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144225230] [2022-11-03 02:00:33,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:33,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2287 trivial. 0 not checked. [2022-11-03 02:00:35,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:35,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144225230] [2022-11-03 02:00:35,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144225230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:35,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:35,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:00:35,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651372718] [2022-11-03 02:00:35,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:35,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:00:35,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:35,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:00:35,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:00:35,816 INFO L87 Difference]: Start difference. First operand 131022 states and 196066 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 02:00:40,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:46,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:06,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:08,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:09,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:12,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:15,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:17,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:20,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:22,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:25,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:36,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:38,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:41,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:43,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:45,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:47,633 INFO L93 Difference]: Finished difference Result 232055 states and 348203 transitions. [2022-11-03 02:01:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:01:47,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 318 [2022-11-03 02:01:47,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:48,791 INFO L225 Difference]: With dead ends: 232055 [2022-11-03 02:01:48,791 INFO L226 Difference]: Without dead ends: 232053 [2022-11-03 02:01:48,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:01:48,881 INFO L413 NwaCegarLoop]: 13987 mSDtfsCounter, 9484 mSDsluCounter, 38965 mSDsCounter, 0 mSdLazyCounter, 4717 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9496 SdHoareTripleChecker+Valid, 49550 SdHoareTripleChecker+Invalid, 4732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4717 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:48,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9496 Valid, 49550 Invalid, 4732 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 4717 Invalid, 12 Unknown, 0 Unchecked, 64.3s Time] [2022-11-03 02:01:49,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232053 states.