./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d46a0c21917156d86326b49faaf0b679a3e4aece26c641cfed6d2cba03552492 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:10:01,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:10:01,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:10:01,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:10:01,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:10:01,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:10:01,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:10:01,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:10:01,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:10:01,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:10:01,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:10:01,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:10:01,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:10:01,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:10:01,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:10:01,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:10:01,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:10:01,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:10:01,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:10:01,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:10:01,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:10:01,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:10:01,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:10:01,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:10:01,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:10:01,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:10:01,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:10:01,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:10:01,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:10:01,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:10:01,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:10:01,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:10:01,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:10:01,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:10:01,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:10:01,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:10:01,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:10:01,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:10:01,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:10:01,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:10:01,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:10:01,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:10:01,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:10:01,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:10:01,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:10:01,929 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:10:01,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:10:01,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:10:01,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:10:01,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:10:01,931 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:10:01,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:10:01,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:10:01,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:10:01,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:10:01,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:10:01,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:10:01,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:10:01,933 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:10:01,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:10:01,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:10:01,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:10:01,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:10:01,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:10:01,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:10:01,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:10:01,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:10:01,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:10:01,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:10:01,936 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:10:01,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:10:01,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:10:01,937 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_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d46a0c21917156d86326b49faaf0b679a3e4aece26c641cfed6d2cba03552492 [2022-10-17 10:10:02,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:10:02,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:10:02,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:10:02,296 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:10:02,297 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:10:02,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-17 10:10:02,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/data/0c3d2a2d8/68319b3115d04ce49ad19ef4fd620270/FLAG766f4ca00 [2022-10-17 10:10:03,532 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:10:03,532 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-17 10:10:03,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/data/0c3d2a2d8/68319b3115d04ce49ad19ef4fd620270/FLAG766f4ca00 [2022-10-17 10:10:03,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/data/0c3d2a2d8/68319b3115d04ce49ad19ef4fd620270 [2022-10-17 10:10:03,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:10:03,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:10:03,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:03,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:10:03,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:10:03,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:03" (1/1) ... [2022-10-17 10:10:03,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfa54ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:03, skipping insertion in model container [2022-10-17 10:10:03,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:03" (1/1) ... [2022-10-17 10:10:03,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:10:04,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:10:08,689 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_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450587,450600] [2022-10-17 10:10:08,692 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_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450756,450769] [2022-10-17 10:10:08,693 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_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450923,450936] [2022-10-17 10:10:08,694 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_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[451091,451104] [2022-10-17 10:10:08,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:08,816 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:10:09,365 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_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450587,450600] [2022-10-17 10:10:09,366 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_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450756,450769] [2022-10-17 10:10:09,366 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_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450923,450936] [2022-10-17 10:10:09,367 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_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[451091,451104] [2022-10-17 10:10:09,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:09,773 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:10:09,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09 WrapperNode [2022-10-17 10:10:09,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:09,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:09,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:10:09,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:10:09,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:09,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,290 INFO L138 Inliner]: procedures = 547, calls = 4330, calls flagged for inlining = 248, calls inlined = 226, statements flattened = 8860 [2022-10-17 10:10:10,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:10,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:10:10,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:10:10,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:10:10,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:10:10,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:10:10,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:10:10,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:10:10,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (1/1) ... [2022-10-17 10:10:10,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:10:10,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:10,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:10,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcd8b27-bf5f-4908-84a8-52572b0ce93d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:10:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:10:10,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:10:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:10:10,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:10:10,837 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 10:10:10,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 10:10:10,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-10-17 10:10:10,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-10-17 10:10:10,837 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-10-17 10:10:10,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-10-17 10:10:10,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:10:10,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:10:10,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-10-17 10:10:10,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-10-17 10:10:10,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:10:10,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:10:10,839 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:10:10,839 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:10:10,839 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-10-17 10:10:10,839 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-10-17 10:10:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2022-10-17 10:10:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2022-10-17 10:10:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-10-17 10:10:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-10-17 10:10:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:10:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:10:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-17 10:10:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-17 10:10:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-10-17 10:10:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-10-17 10:10:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:10:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:10:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-10-17 10:10:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-10-17 10:10:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-17 10:10:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-17 10:10:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-10-17 10:10:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-10-17 10:10:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 10:10:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 10:10:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-10-17 10:10:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-10-17 10:10:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-17 10:10:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-17 10:10:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-10-17 10:10:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-10-17 10:10:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:10:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:10:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-10-17 10:10:10,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-10-17 10:10:10,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-10-17 10:10:10,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-10-17 10:10:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-10-17 10:10:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-10-17 10:10:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 10:10:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 10:10:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:10:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:10:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:10:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:10:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 10:10:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 10:10:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:10:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:10:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 10:10:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 10:10:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:10:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:10:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:10:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:10:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-10-17 10:10:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-10-17 10:10:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:10:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:10:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-10-17 10:10:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-10-17 10:10:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 10:10:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 10:10:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:10:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-10-17 10:10:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-10-17 10:10:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-10-17 10:10:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-10-17 10:10:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:10:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:10:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:10:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:10:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:10:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-10-17 10:10:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-10-17 10:10:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-10-17 10:10:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-10-17 10:10:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-10-17 10:10:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-10-17 10:10:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:10:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:10:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-17 10:10:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-17 10:10:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:10:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:10:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:10:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:10:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:10:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:10:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-10-17 10:10:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-10-17 10:10:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-10-17 10:10:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-10-17 10:10:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:10:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:10:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:10:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:10:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:10:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:10:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:10:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:10:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:10:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:10:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-10-17 10:10:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-10-17 10:10:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_83 [2022-10-17 10:10:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_83 [2022-10-17 10:10:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-10-17 10:10:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-10-17 10:10:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-10-17 10:10:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-10-17 10:10:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 10:10:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 10:10:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-10-17 10:10:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-10-17 10:10:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:10:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:10:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-10-17 10:10:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-10-17 10:10:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:10:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:10:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:10:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-10-17 10:10:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-10-17 10:10:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-17 10:10:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-17 10:10:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:10:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:10:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:10:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:10:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:10:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:10:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-17 10:10:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-10-17 10:10:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:10:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:10:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:10:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:10:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:10:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:10:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_98 [2022-10-17 10:10:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_98 [2022-10-17 10:10:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-10-17 10:10:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-10-17 10:10:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:10:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:10:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-10-17 10:10:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-10-17 10:10:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-10-17 10:10:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-10-17 10:10:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:10:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:10:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-10-17 10:10:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-10-17 10:10:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:10:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:10:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-10-17 10:10:10,984 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-10-17 10:10:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:10:10,984 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:10:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:10:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:10:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-10-17 10:10:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-10-17 10:10:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:10:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:10:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-10-17 10:10:10,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-10-17 10:10:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-10-17 10:10:10,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-10-17 10:10:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-17 10:10:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-17 10:10:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-17 10:10:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-17 10:10:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-10-17 10:10:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-10-17 10:10:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-10-17 10:10:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-10-17 10:10:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-10-17 10:10:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-10-17 10:10:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-10-17 10:10:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-10-17 10:10:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-17 10:10:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-17 10:10:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:10:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:10:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-10-17 10:10:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-10-17 10:10:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:10:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:10:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:10:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:10:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:10:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:10:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:10:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:10:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-10-17 10:10:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-10-17 10:10:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 10:10:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 10:10:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:10:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:10:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-10-17 10:10:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-10-17 10:10:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:10:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:10:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 10:10:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 10:10:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:10:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-17 10:10:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-17 10:10:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:10:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:10:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:10:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-10-17 10:10:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-10-17 10:10:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-10-17 10:10:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-10-17 10:10:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2022-10-17 10:10:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2022-10-17 10:10:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:10:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:10:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:10:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2022-10-17 10:10:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2022-10-17 10:10:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-17 10:10:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-10-17 10:10:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:10:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:10:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:10:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:10:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:10:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:10:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2022-10-17 10:10:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2022-10-17 10:10:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-17 10:10:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-17 10:10:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-10-17 10:10:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-10-17 10:10:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2022-10-17 10:10:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2022-10-17 10:10:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-10-17 10:10:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-10-17 10:10:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-10-17 10:10:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-10-17 10:10:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-10-17 10:10:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-10-17 10:10:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:10:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:10:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-10-17 10:10:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-10-17 10:10:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:10:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:10:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:10:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:10:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:10:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:10:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:10:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:10:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-10-17 10:10:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-10-17 10:10:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2022-10-17 10:10:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2022-10-17 10:10:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:10:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-10-17 10:10:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-10-17 10:10:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-10-17 10:10:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-10-17 10:10:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:10:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:10:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:10:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:10:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-10-17 10:10:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-10-17 10:10:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-10-17 10:10:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-10-17 10:10:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-10-17 10:10:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-10-17 10:10:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-17 10:10:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-17 10:10:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2022-10-17 10:10:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2022-10-17 10:10:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2022-10-17 10:10:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2022-10-17 10:10:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-10-17 10:10:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-10-17 10:10:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2022-10-17 10:10:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2022-10-17 10:10:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-17 10:10:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-17 10:10:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-10-17 10:10:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-10-17 10:10:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-10-17 10:10:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-10-17 10:10:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:10:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:10:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-17 10:10:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-17 10:10:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 10:10:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 10:10:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-17 10:10:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-17 10:10:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-10-17 10:10:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-10-17 10:10:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:10:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:10:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:10:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:10:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:10:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 10:10:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 10:10:12,223 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:10:12,232 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:10:14,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:10:21,729 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:10:21,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:10:21,767 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:10:21,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:21 BoogieIcfgContainer [2022-10-17 10:10:21,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:10:21,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:10:21,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:10:21,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:10:21,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:10:03" (1/3) ... [2022-10-17 10:10:21,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20497f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:10:21, skipping insertion in model container [2022-10-17 10:10:21,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:09" (2/3) ... [2022-10-17 10:10:21,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20497f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:10:21, skipping insertion in model container [2022-10-17 10:10:21,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:21" (3/3) ... [2022-10-17 10:10:21,784 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-17 10:10:21,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:10:21,808 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 10:10:21,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:10:21,955 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e298c07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:10:21,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 10:10:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 2957 states, 2041 states have (on average 1.365017148456639) internal successors, (2786), 2129 states have internal predecessors, (2786), 758 states have call successors, (758), 155 states have call predecessors, (758), 154 states have return successors, (751), 733 states have call predecessors, (751), 751 states have call successors, (751) [2022-10-17 10:10:21,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 10:10:21,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:10:21,985 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:21,985 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)] === [2022-10-17 10:10:21,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:21,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1410401004, now seen corresponding path program 1 times [2022-10-17 10:10:22,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:22,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316321868] [2022-10-17 10:10:22,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:22,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:10:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:10:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-17 10:10:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:10:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:10:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-17 10:10:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 10:10:24,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:24,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316321868] [2022-10-17 10:10:24,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316321868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:24,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:24,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:10:24,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534187861] [2022-10-17 10:10:24,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:24,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:10:24,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:10:24,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:10:24,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:10:24,249 INFO L87 Difference]: Start difference. First operand has 2957 states, 2041 states have (on average 1.365017148456639) internal successors, (2786), 2129 states have internal predecessors, (2786), 758 states have call successors, (758), 155 states have call predecessors, (758), 154 states have return successors, (751), 733 states have call predecessors, (751), 751 states have call successors, (751) Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:10:24,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:10:24,800 INFO L93 Difference]: Finished difference Result 5889 states and 8815 transitions. [2022-10-17 10:10:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:10:24,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-10-17 10:10:24,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:10:24,861 INFO L225 Difference]: With dead ends: 5889 [2022-10-17 10:10:24,862 INFO L226 Difference]: Without dead ends: 2945 [2022-10-17 10:10:24,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:10:24,897 INFO L413 NwaCegarLoop]: 4218 mSDtfsCounter, 4188 mSDsluCounter, 8421 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4202 SdHoareTripleChecker+Valid, 12639 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:10:24,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4202 Valid, 12639 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:10:24,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-10-17 10:10:25,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2945. [2022-10-17 10:10:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2945 states, 2037 states have (on average 1.3284241531664212) internal successors, (2706), 2121 states have internal predecessors, (2706), 751 states have call successors, (751), 155 states have call predecessors, (751), 154 states have return successors, (748), 730 states have call predecessors, (748), 748 states have call successors, (748) [2022-10-17 10:10:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2945 states and 4205 transitions. [2022-10-17 10:10:25,275 INFO L78 Accepts]: Start accepts. Automaton has 2945 states and 4205 transitions. Word has length 55 [2022-10-17 10:10:25,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:10:25,278 INFO L495 AbstractCegarLoop]: Abstraction has 2945 states and 4205 transitions. [2022-10-17 10:10:25,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:10:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 4205 transitions. [2022-10-17 10:10:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 10:10:25,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:10:25,292 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-17 10:10:25,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:10:25,292 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:10:25,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:25,293 INFO L85 PathProgramCache]: Analyzing trace with hash 188182585, now seen corresponding path program 1 times [2022-10-17 10:10:25,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:25,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380990724] [2022-10-17 10:10:25,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:25,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:10:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:10:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-17 10:10:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:10:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:26,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:10:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-17 10:10:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:10:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 10:10:26,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:26,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380990724] [2022-10-17 10:10:26,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380990724] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:26,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:26,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:10:26,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410136217] [2022-10-17 10:10:26,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:26,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:10:26,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:10:26,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:10:26,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:10:26,475 INFO L87 Difference]: Start difference. First operand 2945 states and 4205 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-17 10:10:26,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:10:26,801 INFO L93 Difference]: Finished difference Result 2951 states and 4210 transitions. [2022-10-17 10:10:26,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:10:26,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 60 [2022-10-17 10:10:26,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:10:26,829 INFO L225 Difference]: With dead ends: 2951 [2022-10-17 10:10:26,830 INFO L226 Difference]: Without dead ends: 2949 [2022-10-17 10:10:26,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:10:26,837 INFO L413 NwaCegarLoop]: 4202 mSDtfsCounter, 4165 mSDsluCounter, 8383 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4177 SdHoareTripleChecker+Valid, 12585 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:10:26,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4177 Valid, 12585 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:10:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2949 states. [2022-10-17 10:10:27,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2949 to 2949. [2022-10-17 10:10:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2040 states have (on average 1.3279411764705882) internal successors, (2709), 2124 states have internal predecessors, (2709), 751 states have call successors, (751), 156 states have call predecessors, (751), 155 states have return successors, (748), 730 states have call predecessors, (748), 748 states have call successors, (748) [2022-10-17 10:10:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 4208 transitions. [2022-10-17 10:10:27,081 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 4208 transitions. Word has length 60 [2022-10-17 10:10:27,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:10:27,082 INFO L495 AbstractCegarLoop]: Abstraction has 2949 states and 4208 transitions. [2022-10-17 10:10:27,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-17 10:10:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 4208 transitions. [2022-10-17 10:10:27,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 10:10:27,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:10:27,085 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-10-17 10:10:27,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:10:27,085 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2022-10-17 10:10:27,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:27,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1971274740, now seen corresponding path program 1 times [2022-10-17 10:10:27,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:27,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094518727] [2022-10-17 10:10:27,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:27,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:10:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:10:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-17 10:10:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:10:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:10:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-17 10:10:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:10:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-17 10:10:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 10:10:28,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:28,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094518727] [2022-10-17 10:10:28,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094518727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:28,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:28,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:10:28,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922298064] [2022-10-17 10:10:28,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:28,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:10:28,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:10:28,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:10:28,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:10:28,174 INFO L87 Difference]: Start difference. First operand 2949 states and 4208 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-17 10:10:28,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:10:28,507 INFO L93 Difference]: Finished difference Result 2955 states and 4213 transitions. [2022-10-17 10:10:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:10:28,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2022-10-17 10:10:28,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:10:28,534 INFO L225 Difference]: With dead ends: 2955 [2022-10-17 10:10:28,534 INFO L226 Difference]: Without dead ends: 2953 [2022-10-17 10:10:28,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:10:28,541 INFO L413 NwaCegarLoop]: 4202 mSDtfsCounter, 4165 mSDsluCounter, 8383 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4176 SdHoareTripleChecker+Valid, 12585 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:10:28,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4176 Valid, 12585 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:10:28,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2953 states. [2022-10-17 10:10:28,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2953 to 2953. [2022-10-17 10:10:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2953 states, 2043 states have (on average 1.327459618208517) internal successors, (2712), 2127 states have internal predecessors, (2712), 751 states have call successors, (751), 157 states have call predecessors, (751), 156 states have return successors, (748), 730 states have call predecessors, (748), 748 states have call successors, (748) [2022-10-17 10:10:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 4211 transitions. [2022-10-17 10:10:28,813 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 4211 transitions. Word has length 65 [2022-10-17 10:10:28,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:10:28,814 INFO L495 AbstractCegarLoop]: Abstraction has 2953 states and 4211 transitions. [2022-10-17 10:10:28,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-17 10:10:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 4211 transitions. [2022-10-17 10:10:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 10:10:28,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:10:28,816 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:28,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:10:28,816 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)] === [2022-10-17 10:10:28,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:28,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1386568487, now seen corresponding path program 1 times [2022-10-17 10:10:28,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:28,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370382552] [2022-10-17 10:10:28,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:28,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat