./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E --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 0.3.0-dev-826ab2b [2024-11-14 05:11:58,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:11:58,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:11:58,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:11:58,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:11:59,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:11:59,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:11:59,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:11:59,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:11:59,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:11:59,019 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:11:59,019 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:11:59,019 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:11:59,019 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:11:59,021 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:11:59,021 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:11:59,021 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:11:59,021 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:11:59,022 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:11:59,022 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:11:59,022 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:11:59,022 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:11:59,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:11:59,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:11:59,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:11:59,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:11:59,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:11:59,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:11:59,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:11:59,023 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:11:59,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:11:59,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:11:59,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:11:59,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:11:59,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:11:59,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:11:59,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:11:59,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:11:59,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:11:59,024 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:11:59,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:11:59,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:11:59,026 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:11:59,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:11:59,027 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E 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 [2024-11-14 05:11:59,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:11:59,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:11:59,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:11:59,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:11:59,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:11:59,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i Unable to find full path for "g++" [2024-11-14 05:12:01,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:12:02,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:12:02,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2024-11-14 05:12:02,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/data/0d2c90376/5c663dbe04a84f4997c7a02a5ba15503/FLAG8bbdbd207 [2024-11-14 05:12:02,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/data/0d2c90376/5c663dbe04a84f4997c7a02a5ba15503 [2024-11-14 05:12:02,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:12:02,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:12:02,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:12:02,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:12:02,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:12:02,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:12:02" (1/1) ... [2024-11-14 05:12:02,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463c3262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:02, skipping insertion in model container [2024-11-14 05:12:02,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:12:02" (1/1) ... [2024-11-14 05:12:02,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:12:06,591 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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2024-11-14 05:12:06,598 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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2024-11-14 05:12:06,599 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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2024-11-14 05:12:06,603 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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2024-11-14 05:12:06,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:12:06,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:12:06,992 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] [2024-11-14 05:12:06,997 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] [2024-11-14 05:12:07,014 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] [2024-11-14 05:12:07,019 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] [2024-11-14 05:12:07,476 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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2024-11-14 05:12:07,478 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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2024-11-14 05:12:07,479 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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2024-11-14 05:12:07,481 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_c6e8da25-abf2-48b7-8e50-89e9d97af15e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2024-11-14 05:12:07,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:12:07,881 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:12:07,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07 WrapperNode [2024-11-14 05:12:07,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:12:07,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:12:07,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:12:07,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:12:07,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,323 INFO L138 Inliner]: procedures = 522, calls = 3833, calls flagged for inlining = 277, calls inlined = 261, statements flattened = 7556 [2024-11-14 05:12:08,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:12:08,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:12:08,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:12:08,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:12:08,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:12:08,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:12:08,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:12:08,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:12:08,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (1/1) ... [2024-11-14 05:12:08,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:12:09,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:12:09,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:12:09,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8da25-abf2-48b7-8e50-89e9d97af15e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:12:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2024-11-14 05:12:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2024-11-14 05:12:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2024-11-14 05:12:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2024-11-14 05:12:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2024-11-14 05:12:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2024-11-14 05:12:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2024-11-14 05:12:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2024-11-14 05:12:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-14 05:12:09,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-14 05:12:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 05:12:09,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 05:12:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 05:12:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 05:12:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2024-11-14 05:12:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2024-11-14 05:12:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2024-11-14 05:12:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2024-11-14 05:12:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 05:12:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 05:12:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-14 05:12:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-14 05:12:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-14 05:12:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-14 05:12:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-14 05:12:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-14 05:12:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2024-11-14 05:12:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2024-11-14 05:12:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2024-11-14 05:12:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2024-11-14 05:12:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2024-11-14 05:12:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2024-11-14 05:12:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 05:12:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 05:12:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2024-11-14 05:12:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2024-11-14 05:12:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2024-11-14 05:12:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2024-11-14 05:12:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2024-11-14 05:12:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2024-11-14 05:12:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 05:12:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 05:12:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-14 05:12:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-14 05:12:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2024-11-14 05:12:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2024-11-14 05:12:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:12:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2024-11-14 05:12:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2024-11-14 05:12:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2024-11-14 05:12:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2024-11-14 05:12:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2024-11-14 05:12:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2024-11-14 05:12:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 05:12:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2024-11-14 05:12:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2024-11-14 05:12:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2024-11-14 05:12:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2024-11-14 05:12:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-14 05:12:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-14 05:12:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-14 05:12:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-14 05:12:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2024-11-14 05:12:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2024-11-14 05:12:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 05:12:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 05:12:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 05:12:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2024-11-14 05:12:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2024-11-14 05:12:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:12:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-14 05:12:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-14 05:12:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2024-11-14 05:12:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2024-11-14 05:12:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 05:12:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 05:12:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-14 05:12:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-14 05:12:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-14 05:12:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-14 05:12:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-14 05:12:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-14 05:12:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-11-14 05:12:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-11-14 05:12:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2024-11-14 05:12:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2024-11-14 05:12:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2024-11-14 05:12:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2024-11-14 05:12:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-14 05:12:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-14 05:12:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-14 05:12:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-14 05:12:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2024-11-14 05:12:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2024-11-14 05:12:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2024-11-14 05:12:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2024-11-14 05:12:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2024-11-14 05:12:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2024-11-14 05:12:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-14 05:12:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-14 05:12:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2024-11-14 05:12:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2024-11-14 05:12:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:12:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-14 05:12:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-14 05:12:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-14 05:12:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-14 05:12:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2024-11-14 05:12:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2024-11-14 05:12:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 05:12:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 05:12:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 05:12:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 05:12:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2024-11-14 05:12:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2024-11-14 05:12:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2024-11-14 05:12:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2024-11-14 05:12:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2024-11-14 05:12:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2024-11-14 05:12:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 05:12:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 05:12:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2024-11-14 05:12:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2024-11-14 05:12:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2024-11-14 05:12:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2024-11-14 05:12:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2024-11-14 05:12:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2024-11-14 05:12:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2024-11-14 05:12:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2024-11-14 05:12:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2024-11-14 05:12:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2024-11-14 05:12:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-11-14 05:12:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-11-14 05:12:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:12:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:12:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-14 05:12:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-14 05:12:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2024-11-14 05:12:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2024-11-14 05:12:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 05:12:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 05:12:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 05:12:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2024-11-14 05:12:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 05:12:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2024-11-14 05:12:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2024-11-14 05:12:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2024-11-14 05:12:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2024-11-14 05:12:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-14 05:12:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-14 05:12:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-14 05:12:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2024-11-14 05:12:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 05:12:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-14 05:12:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2024-11-14 05:12:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2024-11-14 05:12:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 05:12:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-14 05:12:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-14 05:12:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 05:12:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 05:12:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2024-11-14 05:12:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2024-11-14 05:12:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2024-11-14 05:12:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2024-11-14 05:12:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2024-11-14 05:12:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2024-11-14 05:12:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2024-11-14 05:12:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2024-11-14 05:12:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-11-14 05:12:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-11-14 05:12:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2024-11-14 05:12:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2024-11-14 05:12:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2024-11-14 05:12:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2024-11-14 05:12:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:12:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2024-11-14 05:12:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2024-11-14 05:12:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-14 05:12:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-14 05:12:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 05:12:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 05:12:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2024-11-14 05:12:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2024-11-14 05:12:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2024-11-14 05:12:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2024-11-14 05:12:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2024-11-14 05:12:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2024-11-14 05:12:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2024-11-14 05:12:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2024-11-14 05:12:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2024-11-14 05:12:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2024-11-14 05:12:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2024-11-14 05:12:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2024-11-14 05:12:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2024-11-14 05:12:10,821 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:12:10,826 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:12:11,313 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 05:13:14,673 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-14 05:13:17,438 INFO L? ?]: Removed 3267 outVars from TransFormulas that were not future-live. [2024-11-14 05:13:17,438 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:13:23,717 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:13:23,718 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:13:23,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:13:23 BoogieIcfgContainer [2024-11-14 05:13:23,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:13:23,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:13:23,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:13:23,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:13:23,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:12:02" (1/3) ... [2024-11-14 05:13:23,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be2114f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:13:23, skipping insertion in model container [2024-11-14 05:13:23,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:07" (2/3) ... [2024-11-14 05:13:23,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be2114f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:13:23, skipping insertion in model container [2024-11-14 05:13:23,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:13:23" (3/3) ... [2024-11-14 05:13:23,731 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2024-11-14 05:13:23,752 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:13:23,755 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i that has 116 procedures, 2554 locations, 1 initial locations, 3 loop locations, and 3 error locations. [2024-11-14 05:13:23,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:13:23,930 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;@403154c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:13:23,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 05:13:23,947 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) [2024-11-14 05:13:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-14 05:13:23,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:13:23,989 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] [2024-11-14 05:13:23,989 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)] === [2024-11-14 05:13:23,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:13:23,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1503707334, now seen corresponding path program 1 times [2024-11-14 05:13:24,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:13:24,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474748173] [2024-11-14 05:13:24,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:13:24,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2024-11-14 05:16:21,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:21,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474748173] [2024-11-14 05:16:21,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474748173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:21,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:21,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:16:21,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812974867] [2024-11-14 05:16:21,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:21,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:16:21,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:21,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:16:21,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:16:21,218 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) [2024-11-14 05:16:23,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:16:25,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:16:28,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:16:35,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:16:37,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:16:41,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 05:16:46,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 05:16:48,411 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 [] [2024-11-14 05:16:51,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:51,560 INFO L93 Difference]: Finished difference Result 7436 states and 11622 transitions. [2024-11-14 05:16:51,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:16:51,563 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 [2024-11-14 05:16:51,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:51,651 INFO L225 Difference]: With dead ends: 7436 [2024-11-14 05:16:51,651 INFO L226 Difference]: Without dead ends: 4943 [2024-11-14 05:16:51,690 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 [2024-11-14 05:16:51,693 INFO L432 NwaCegarLoop]: 3545 mSDtfsCounter, 3760 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3760 SdHoareTripleChecker+Valid, 7046 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:51,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3760 Valid, 7046 Invalid, 859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 846 Invalid, 6 Unknown, 0 Unchecked, 29.8s Time] [2024-11-14 05:16:51,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4943 states. [2024-11-14 05:16:52,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4943 to 4939. [2024-11-14 05:16:52,444 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) [2024-11-14 05:16:52,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 7659 transitions. [2024-11-14 05:16:52,530 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 7659 transitions. Word has length 381 [2024-11-14 05:16:52,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:52,534 INFO L471 AbstractCegarLoop]: Abstraction has 4939 states and 7659 transitions. [2024-11-14 05:16:52,535 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) [2024-11-14 05:16:52,535 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 7659 transitions. [2024-11-14 05:16:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2024-11-14 05:16:52,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:52,551 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] [2024-11-14 05:16:52,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:16:52,552 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)] === [2024-11-14 05:16:52,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:52,553 INFO L85 PathProgramCache]: Analyzing trace with hash 714676931, now seen corresponding path program 1 times [2024-11-14 05:16:52,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:52,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912012926] [2024-11-14 05:16:52,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:52,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:19:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:19:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2024-11-14 05:19:54,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:19:54,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912012926] [2024-11-14 05:19:54,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912012926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:19:54,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:19:54,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:19:54,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326548605] [2024-11-14 05:19:54,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:19:54,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:19:54,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:19:54,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:19:54,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:19:54,756 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) [2024-11-14 05:19:57,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:19:59,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:20:09,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 05:20:12,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:20:19,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 05:20:21,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 05:20:23,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:20:23,762 INFO L93 Difference]: Finished difference Result 14461 states and 22489 transitions. [2024-11-14 05:20:23,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:20:23,762 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 [2024-11-14 05:20:23,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:20:23,872 INFO L225 Difference]: With dead ends: 14461 [2024-11-14 05:20:23,872 INFO L226 Difference]: Without dead ends: 9595 [2024-11-14 05:20:23,926 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 [2024-11-14 05:20:23,927 INFO L432 NwaCegarLoop]: 3553 mSDtfsCounter, 3674 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3674 SdHoareTripleChecker+Valid, 7044 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:20:23,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3674 Valid, 7044 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 853 Invalid, 5 Unknown, 0 Unchecked, 28.5s Time] [2024-11-14 05:20:23,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9595 states. [2024-11-14 05:20:24,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9595 to 9566. [2024-11-14 05:20:24,980 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) [2024-11-14 05:20:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9566 states to 9566 states and 14896 transitions. [2024-11-14 05:20:25,067 INFO L78 Accepts]: Start accepts. Automaton has 9566 states and 14896 transitions. Word has length 383 [2024-11-14 05:20:25,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:20:25,069 INFO L471 AbstractCegarLoop]: Abstraction has 9566 states and 14896 transitions. [2024-11-14 05:20:25,069 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) [2024-11-14 05:20:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 9566 states and 14896 transitions. [2024-11-14 05:20:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2024-11-14 05:20:25,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:20:25,089 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] [2024-11-14 05:20:25,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:20:25,090 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)] === [2024-11-14 05:20:25,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:20:25,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1470254686, now seen corresponding path program 1 times [2024-11-14 05:20:25,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:20:25,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936624694] [2024-11-14 05:20:25,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:20:25,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:23:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:23:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5367 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2024-11-14 05:23:17,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:23:17,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936624694] [2024-11-14 05:23:17,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936624694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:23:17,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:23:17,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:23:17,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642180799] [2024-11-14 05:23:17,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:23:17,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:23:17,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:23:17,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:23:17,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:23:17,645 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) [2024-11-14 05:23:20,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:23:22,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:23:24,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:23:28,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:23:40,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 05:23:42,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 05:23:44,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 05:23:49,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:23:49,126 INFO L93 Difference]: Finished difference Result 9572 states and 14901 transitions. [2024-11-14 05:23:49,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:23:49,127 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 [2024-11-14 05:23:49,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:23:49,254 INFO L225 Difference]: With dead ends: 9572 [2024-11-14 05:23:49,255 INFO L226 Difference]: Without dead ends: 9570 [2024-11-14 05:23:49,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:23:49,269 INFO L432 NwaCegarLoop]: 3510 mSDtfsCounter, 3835 mSDsluCounter, 7007 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3836 SdHoareTripleChecker+Valid, 10517 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:23:49,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3836 Valid, 10517 Invalid, 1269 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1262 Invalid, 7 Unknown, 0 Unchecked, 31.0s Time] [2024-11-14 05:23:49,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9570 states. [2024-11-14 05:23:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9570 to 9570. [2024-11-14 05:23:50,345 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) [2024-11-14 05:23:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9570 states to 9570 states and 14899 transitions. [2024-11-14 05:23:50,446 INFO L78 Accepts]: Start accepts. Automaton has 9570 states and 14899 transitions. Word has length 423 [2024-11-14 05:23:50,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:23:50,450 INFO L471 AbstractCegarLoop]: Abstraction has 9570 states and 14899 transitions. [2024-11-14 05:23:50,451 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) [2024-11-14 05:23:50,452 INFO L276 IsEmpty]: Start isEmpty. Operand 9570 states and 14899 transitions. [2024-11-14 05:23:50,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2024-11-14 05:23:50,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:23:50,474 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] [2024-11-14 05:23:50,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:23:50,474 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)] === [2024-11-14 05:23:50,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:23:50,475 INFO L85 PathProgramCache]: Analyzing trace with hash -875022091, now seen corresponding path program 1 times [2024-11-14 05:23:50,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:23:50,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740500277] [2024-11-14 05:23:50,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:23:50,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms