./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:16:06,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:16:06,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:16:06,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:16:06,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:16:06,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:16:06,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:16:06,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:16:06,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:16:06,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:16:06,868 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:16:06,869 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:16:06,869 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:16:06,870 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:16:06,870 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:16:06,872 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:16:06,873 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:16:06,873 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:16:06,873 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:16:06,874 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:16:06,874 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:16:06,879 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:16:06,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:16:06,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:16:06,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:16:06,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:16:06,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:16:06,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:16:06,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:16:06,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:16:06,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:16:06,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:16:06,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:16:06,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:16:06,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:16:06,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:06,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:16:06,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:16:06,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:16:06,886 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:16:06,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:16:06,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:16:06,887 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:16:06,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:16:06,888 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2024-11-09 06:16:07,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:16:07,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:16:07,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:16:07,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:16:07,215 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:16:07,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i Unable to find full path for "g++" [2024-11-09 06:16:09,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:16:09,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:16:09,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2024-11-09 06:16:10,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/data/c26859338/1b064c0b808a4ee9a7da4617cee716b9/FLAG63b2d4df2 [2024-11-09 06:16:10,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/data/c26859338/1b064c0b808a4ee9a7da4617cee716b9 [2024-11-09 06:16:10,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:16:10,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:16:10,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:10,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:16:10,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:16:10,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:10" (1/1) ... [2024-11-09 06:16:10,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b629f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:10, skipping insertion in model container [2024-11-09 06:16:10,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:10" (1/1) ... [2024-11-09 06:16:10,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:16:14,654 WARN L250 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_1bc1ae43-4259-4d53-95ff-fae19de9ee30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2024-11-09 06:16:14,662 WARN L250 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_1bc1ae43-4259-4d53-95ff-fae19de9ee30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2024-11-09 06:16:14,663 WARN L250 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_1bc1ae43-4259-4d53-95ff-fae19de9ee30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2024-11-09 06:16:14,664 WARN L250 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_1bc1ae43-4259-4d53-95ff-fae19de9ee30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2024-11-09 06:16:14,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:14,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:16:14,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6518-6519] [2024-11-09 06:16:14,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6524-6526] [2024-11-09 06:16:14,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6758-6759] [2024-11-09 06:16:14,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6792-6793] [2024-11-09 06:16:15,301 WARN L250 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_1bc1ae43-4259-4d53-95ff-fae19de9ee30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2024-11-09 06:16:15,302 WARN L250 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_1bc1ae43-4259-4d53-95ff-fae19de9ee30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2024-11-09 06:16:15,303 WARN L250 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_1bc1ae43-4259-4d53-95ff-fae19de9ee30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2024-11-09 06:16:15,303 WARN L250 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_1bc1ae43-4259-4d53-95ff-fae19de9ee30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2024-11-09 06:16:15,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:15,563 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:16:15,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15 WrapperNode [2024-11-09 06:16:15,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:15,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:15,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:16:15,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:16:15,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:15,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,013 INFO L138 Inliner]: procedures = 522, calls = 3833, calls flagged for inlining = 277, calls inlined = 261, statements flattened = 7556 [2024-11-09 06:16:16,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:16,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:16:16,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:16:16,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:16:16,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:16:16,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:16:16,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:16:16,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:16:16,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:16,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:16:16,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:16:16,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1ae43-4259-4d53-95ff-fae19de9ee30/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:16:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2024-11-09 06:16:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2024-11-09 06:16:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2024-11-09 06:16:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2024-11-09 06:16:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2024-11-09 06:16:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2024-11-09 06:16:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2024-11-09 06:16:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2024-11-09 06:16:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-09 06:16:16,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-09 06:16:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 06:16:16,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 06:16:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 06:16:16,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 06:16:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2024-11-09 06:16:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2024-11-09 06:16:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2024-11-09 06:16:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2024-11-09 06:16:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 06:16:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 06:16:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-09 06:16:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-09 06:16:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-09 06:16:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-09 06:16:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 06:16:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 06:16:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2024-11-09 06:16:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2024-11-09 06:16:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2024-11-09 06:16:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2024-11-09 06:16:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2024-11-09 06:16:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2024-11-09 06:16:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 06:16:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 06:16:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2024-11-09 06:16:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2024-11-09 06:16:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2024-11-09 06:16:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2024-11-09 06:16:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2024-11-09 06:16:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2024-11-09 06:16:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 06:16:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 06:16:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-09 06:16:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-09 06:16:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2024-11-09 06:16:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2024-11-09 06:16:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:16:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2024-11-09 06:16:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2024-11-09 06:16:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2024-11-09 06:16:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2024-11-09 06:16:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2024-11-09 06:16:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2024-11-09 06:16:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 06:16:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2024-11-09 06:16:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2024-11-09 06:16:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2024-11-09 06:16:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2024-11-09 06:16:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-09 06:16:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-09 06:16:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-09 06:16:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-09 06:16:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2024-11-09 06:16:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2024-11-09 06:16:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:16:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 06:16:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 06:16:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2024-11-09 06:16:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2024-11-09 06:16:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:16:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-09 06:16:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-09 06:16:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2024-11-09 06:16:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2024-11-09 06:16:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 06:16:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 06:16:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-09 06:16:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-09 06:16:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-09 06:16:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-09 06:16:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-09 06:16:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-09 06:16:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-11-09 06:16:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-11-09 06:16:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2024-11-09 06:16:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2024-11-09 06:16:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2024-11-09 06:16:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2024-11-09 06:16:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-09 06:16:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-09 06:16:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-09 06:16:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-09 06:16:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2024-11-09 06:16:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2024-11-09 06:16:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2024-11-09 06:16:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2024-11-09 06:16:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2024-11-09 06:16:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2024-11-09 06:16:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 06:16:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 06:16:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2024-11-09 06:16:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2024-11-09 06:16:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:16:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-09 06:16:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-09 06:16:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-09 06:16:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-09 06:16:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:16:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-09 06:16:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-09 06:16:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2024-11-09 06:16:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2024-11-09 06:16:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2024-11-09 06:16:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2024-11-09 06:16:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 06:16:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 06:16:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 06:16:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 06:16:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:16:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 06:16:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 06:16:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-09 06:16:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-09 06:16:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2024-11-09 06:16:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2024-11-09 06:16:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2024-11-09 06:16:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2024-11-09 06:16:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2024-11-09 06:16:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2024-11-09 06:16:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 06:16:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 06:16:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2024-11-09 06:16:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2024-11-09 06:16:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2024-11-09 06:16:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2024-11-09 06:16:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2024-11-09 06:16:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2024-11-09 06:16:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2024-11-09 06:16:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2024-11-09 06:16:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2024-11-09 06:16:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2024-11-09 06:16:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-11-09 06:16:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-11-09 06:16:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:16:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:16:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-09 06:16:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-09 06:16:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2024-11-09 06:16:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2024-11-09 06:16:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 06:16:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:16:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 06:16:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 06:16:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2024-11-09 06:16:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2024-11-09 06:16:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 06:16:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 06:16:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2024-11-09 06:16:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2024-11-09 06:16:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2024-11-09 06:16:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2024-11-09 06:16:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2024-11-09 06:16:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2024-11-09 06:16:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2024-11-09 06:16:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2024-11-09 06:16:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-09 06:16:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-09 06:16:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-09 06:16:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-09 06:16:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-09 06:16:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-09 06:16:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2024-11-09 06:16:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2024-11-09 06:16:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 06:16:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 06:16:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-09 06:16:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-09 06:16:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2024-11-09 06:16:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2024-11-09 06:16:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:16:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2024-11-09 06:16:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2024-11-09 06:16:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:16:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:16:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 06:16:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 06:16:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-09 06:16:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-09 06:16:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 06:16:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 06:16:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-09 06:16:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-09 06:16:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2024-11-09 06:16:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2024-11-09 06:16:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2024-11-09 06:16:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2024-11-09 06:16:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2024-11-09 06:16:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2024-11-09 06:16:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2024-11-09 06:16:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2024-11-09 06:16:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-11-09 06:16:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-11-09 06:16:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2024-11-09 06:16:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2024-11-09 06:16:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2024-11-09 06:16:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2024-11-09 06:16:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:16:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2024-11-09 06:16:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2024-11-09 06:16:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-09 06:16:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-09 06:16:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 06:16:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 06:16:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2024-11-09 06:16:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2024-11-09 06:16:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2024-11-09 06:16:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2024-11-09 06:16:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2024-11-09 06:16:16,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2024-11-09 06:16:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2024-11-09 06:16:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2024-11-09 06:16:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2024-11-09 06:16:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2024-11-09 06:16:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-09 06:16:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-09 06:16:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2024-11-09 06:16:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2024-11-09 06:16:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-09 06:16:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-09 06:16:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2024-11-09 06:16:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2024-11-09 06:16:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2024-11-09 06:16:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2024-11-09 06:16:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2024-11-09 06:16:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:16:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-09 06:16:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-09 06:16:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2024-11-09 06:16:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2024-11-09 06:16:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 06:16:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 06:16:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2024-11-09 06:16:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2024-11-09 06:16:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2024-11-09 06:16:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2024-11-09 06:16:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2024-11-09 06:16:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2024-11-09 06:16:17,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:16:17,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:16:18,263 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 06:17:15,976 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-09 06:17:18,408 INFO L? ?]: Removed 3267 outVars from TransFormulas that were not future-live. [2024-11-09 06:17:18,408 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:17:24,658 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:17:24,658 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:17:24,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:17:24 BoogieIcfgContainer [2024-11-09 06:17:24,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:17:24,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:17:24,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:17:24,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:17:24,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:16:10" (1/3) ... [2024-11-09 06:17:24,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa9da37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:17:24, skipping insertion in model container [2024-11-09 06:17:24,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (2/3) ... [2024-11-09 06:17:24,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa9da37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:17:24, skipping insertion in model container [2024-11-09 06:17:24,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:17:24" (3/3) ... [2024-11-09 06:17:24,668 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2024-11-09 06:17:24,688 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:17:24,689 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-09 06:17:24,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:17:24,843 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@7d2c2499, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:17:24,843 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-09 06:17:24,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 2552 states, 1208 states have (on average 1.2516556291390728) internal successors, (1512), 1244 states have internal predecessors, (1512), 1227 states have call successors, (1227), 115 states have call predecessors, (1227), 114 states have return successors, (1219), 1202 states have call predecessors, (1219), 1219 states have call successors, (1219) [2024-11-09 06:17:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-09 06:17:24,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:24,905 INFO L215 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:17:24,906 INFO L396 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)] === [2024-11-09 06:17:24,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:24,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1503707334, now seen corresponding path program 1 times [2024-11-09 06:17:24,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:17:24,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452508457] [2024-11-09 06:17:24,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:24,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:20:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:20:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2024-11-09 06:20:05,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:20:05,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452508457] [2024-11-09 06:20:05,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452508457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:20:05,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:20:05,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:20:05,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192338577] [2024-11-09 06:20:05,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:20:05,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:20:05,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:20:05,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:20:05,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:20:05,933 INFO L87 Difference]: Start difference. First operand has 2552 states, 1208 states have (on average 1.2516556291390728) internal successors, (1512), 1244 states have internal predecessors, (1512), 1227 states have call successors, (1227), 115 states have call predecessors, (1227), 114 states have return successors, (1219), 1202 states have call predecessors, (1219), 1219 states have call successors, (1219) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-09 06:20:09,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:13,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:23,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:20:28,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:20:30,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:20:33,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:20:33,002 INFO L93 Difference]: Finished difference Result 7436 states and 11622 transitions. [2024-11-09 06:20:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:20:33,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 381 [2024-11-09 06:20:33,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:20:33,088 INFO L225 Difference]: With dead ends: 7436 [2024-11-09 06:20:33,088 INFO L226 Difference]: Without dead ends: 4943 [2024-11-09 06:20:33,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:20:33,125 INFO L432 NwaCegarLoop]: 3545 mSDtfsCounter, 3760 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3760 SdHoareTripleChecker+Valid, 7046 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:20:33,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3760 Valid, 7046 Invalid, 858 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 846 Invalid, 5 Unknown, 0 Unchecked, 26.6s Time] [2024-11-09 06:20:33,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4943 states. [2024-11-09 06:20:33,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4943 to 4939. [2024-11-09 06:20:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 2342 states have (on average 1.248078565328779) internal successors, (2923), 2409 states have internal predecessors, (2923), 2370 states have call successors, (2370), 225 states have call predecessors, (2370), 224 states have return successors, (2366), 2332 states have call predecessors, (2366), 2366 states have call successors, (2366) [2024-11-09 06:20:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 7659 transitions. [2024-11-09 06:20:33,970 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 7659 transitions. Word has length 381 [2024-11-09 06:20:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:20:33,971 INFO L471 AbstractCegarLoop]: Abstraction has 4939 states and 7659 transitions. [2024-11-09 06:20:33,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-09 06:20:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 7659 transitions. [2024-11-09 06:20:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2024-11-09 06:20:33,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:20:33,983 INFO L215 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:20:33,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:20:33,984 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 06:20:33,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:20:33,985 INFO L85 PathProgramCache]: Analyzing trace with hash 714676931, now seen corresponding path program 1 times [2024-11-09 06:20:33,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:20:33,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276862272] [2024-11-09 06:20:33,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:33,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2024-11-09 06:23:31,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:31,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276862272] [2024-11-09 06:23:31,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276862272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:31,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:31,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:23:31,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44717840] [2024-11-09 06:23:31,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:31,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:23:31,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:31,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:23:31,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:31,610 INFO L87 Difference]: Start difference. First operand 4939 states and 7659 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-09 06:23:33,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:37,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:40,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:46,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:23:49,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:55,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:23:56,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:23:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:58,235 INFO L93 Difference]: Finished difference Result 14461 states and 22489 transitions. [2024-11-09 06:23:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:23:58,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 383 [2024-11-09 06:23:58,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:58,343 INFO L225 Difference]: With dead ends: 14461 [2024-11-09 06:23:58,343 INFO L226 Difference]: Without dead ends: 9595 [2024-11-09 06:23:58,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:58,394 INFO L432 NwaCegarLoop]: 3553 mSDtfsCounter, 3674 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3674 SdHoareTripleChecker+Valid, 7044 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:58,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3674 Valid, 7044 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 854 Invalid, 4 Unknown, 0 Unchecked, 26.2s Time] [2024-11-09 06:23:58,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9595 states. [2024-11-09 06:23:59,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9595 to 9566. [2024-11-09 06:23:59,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9566 states, 4509 states have (on average 1.2481703260146373) internal successors, (5628), 4637 states have internal predecessors, (5628), 4613 states have call successors, (4613), 444 states have call predecessors, (4613), 441 states have return successors, (4655), 4532 states have call predecessors, (4655), 4609 states have call successors, (4655) [2024-11-09 06:23:59,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9566 states to 9566 states and 14896 transitions. [2024-11-09 06:23:59,364 INFO L78 Accepts]: Start accepts. Automaton has 9566 states and 14896 transitions. Word has length 383 [2024-11-09 06:23:59,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:59,368 INFO L471 AbstractCegarLoop]: Abstraction has 9566 states and 14896 transitions. [2024-11-09 06:23:59,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-09 06:23:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 9566 states and 14896 transitions. [2024-11-09 06:23:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2024-11-09 06:23:59,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:59,388 INFO L215 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:23:59,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:23:59,388 INFO L396 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)] === [2024-11-09 06:23:59,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:59,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1470254686, now seen corresponding path program 1 times [2024-11-09 06:23:59,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:59,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129349933] [2024-11-09 06:23:59,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:59,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:26:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5367 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2024-11-09 06:26:37,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:26:37,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129349933] [2024-11-09 06:26:37,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129349933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:26:37,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:26:37,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:26:37,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175833429] [2024-11-09 06:26:37,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:26:37,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:26:37,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:26:37,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:26:37,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:26:37,688 INFO L87 Difference]: Start difference. First operand 9566 states and 14896 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-09 06:26:41,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:26:43,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:26:45,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:26:49,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:27:00,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:27:02,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:27:06,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:27:06,537 INFO L93 Difference]: Finished difference Result 9572 states and 14901 transitions. [2024-11-09 06:27:06,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:27:06,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 423 [2024-11-09 06:27:06,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:27:06,625 INFO L225 Difference]: With dead ends: 9572 [2024-11-09 06:27:06,626 INFO L226 Difference]: Without dead ends: 9570 [2024-11-09 06:27:06,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:27:06,637 INFO L432 NwaCegarLoop]: 3510 mSDtfsCounter, 3835 mSDsluCounter, 7007 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3836 SdHoareTripleChecker+Valid, 10517 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:27:06,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3836 Valid, 10517 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1264 Invalid, 5 Unknown, 0 Unchecked, 28.4s Time] [2024-11-09 06:27:06,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9570 states. [2024-11-09 06:27:07,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9570 to 9570. [2024-11-09 06:27:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9570 states, 4512 states have (on average 1.2480053191489362) internal successors, (5631), 4640 states have internal predecessors, (5631), 4613 states have call successors, (4613), 445 states have call predecessors, (4613), 442 states have return successors, (4655), 4532 states have call predecessors, (4655), 4609 states have call successors, (4655) [2024-11-09 06:27:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9570 states to 9570 states and 14899 transitions. [2024-11-09 06:27:07,682 INFO L78 Accepts]: Start accepts. Automaton has 9570 states and 14899 transitions. Word has length 423 [2024-11-09 06:27:07,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:27:07,683 INFO L471 AbstractCegarLoop]: Abstraction has 9570 states and 14899 transitions. [2024-11-09 06:27:07,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-09 06:27:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 9570 states and 14899 transitions. [2024-11-09 06:27:07,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2024-11-09 06:27:07,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:27:07,703 INFO L215 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:27:07,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:27:07,703 INFO L396 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)] === [2024-11-09 06:27:07,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:27:07,707 INFO L85 PathProgramCache]: Analyzing trace with hash -875022091, now seen corresponding path program 1 times [2024-11-09 06:27:07,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:27:07,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184242415] [2024-11-09 06:27:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:27:07,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:29:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:30:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5376 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5374 trivial. 0 not checked. [2024-11-09 06:30:01,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:30:01,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184242415] [2024-11-09 06:30:01,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184242415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:30:01,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:30:01,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:30:01,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415424739] [2024-11-09 06:30:01,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:30:01,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:30:01,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:30:01,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:30:01,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:30:01,579 INFO L87 Difference]: Start difference. First operand 9570 states and 14899 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 06:30:03,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:30:05,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:30:07,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:30:11,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:30:13,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:30:14,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:30:25,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:30:27,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:30:30,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:30:35,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:30:35,662 INFO L93 Difference]: Finished difference Result 9576 states and 14904 transitions. [2024-11-09 06:30:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:30:35,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 431 [2024-11-09 06:30:35,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:30:35,758 INFO L225 Difference]: With dead ends: 9576 [2024-11-09 06:30:35,758 INFO L226 Difference]: Without dead ends: 9574 [2024-11-09 06:30:35,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:30:35,772 INFO L432 NwaCegarLoop]: 3513 mSDtfsCounter, 3830 mSDsluCounter, 7008 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3831 SdHoareTripleChecker+Valid, 10521 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:30:35,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3831 Valid, 10521 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1262 Invalid, 8 Unknown, 0 Unchecked, 33.4s Time] [2024-11-09 06:30:35,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9574 states. [2024-11-09 06:30:36,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9574 to 9574. [2024-11-09 06:30:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9574 states, 4515 states have (on average 1.2478405315614618) internal successors, (5634), 4643 states have internal predecessors, (5634), 4613 states have call successors, (4613), 446 states have call predecessors, (4613), 443 states have return successors, (4655), 4532 states have call predecessors, (4655), 4609 states have call successors, (4655) [2024-11-09 06:30:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9574 states to 9574 states and 14902 transitions. [2024-11-09 06:30:36,919 INFO L78 Accepts]: Start accepts. Automaton has 9574 states and 14902 transitions. Word has length 431 [2024-11-09 06:30:36,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:30:36,921 INFO L471 AbstractCegarLoop]: Abstraction has 9574 states and 14902 transitions. [2024-11-09 06:30:36,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 06:30:36,921 INFO L276 IsEmpty]: Start isEmpty. Operand 9574 states and 14902 transitions. [2024-11-09 06:30:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2024-11-09 06:30:36,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:30:36,937 INFO L215 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:30:36,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:30:36,937 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 06:30:36,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:30:36,938 INFO L85 PathProgramCache]: Analyzing trace with hash -190402270, now seen corresponding path program 1 times [2024-11-09 06:30:36,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:30:36,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807287791] [2024-11-09 06:30:36,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:30:36,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms