./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e373372610053a8b3f90a6fe69a2e2f77f1b445737e9545423fdaf4f64c3f09c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:50,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:50,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:02:50,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:50,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:50,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:50,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:50,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:50,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:50,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:50,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:50,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:50,948 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:50,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:50,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:50,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:50,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:50,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:50,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:50,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:50,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:50,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:50,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:50,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:50,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:50,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:50,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:50,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:50,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:50,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:50,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:50,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:50,959 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:50,959 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:50,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:50,960 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:50,960 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e373372610053a8b3f90a6fe69a2e2f77f1b445737e9545423fdaf4f64c3f09c [2023-11-19 08:02:51,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:51,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:51,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:51,256 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:51,256 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:51,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2023-11-19 08:02:54,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:55,104 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:55,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2023-11-19 08:02:55,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/data/ebcf2faad/be353c8229f74611a303773b3ae02120/FLAG34843c340 [2023-11-19 08:02:55,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/data/ebcf2faad/be353c8229f74611a303773b3ae02120 [2023-11-19 08:02:55,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:55,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:55,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:55,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:55,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:55,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:55" (1/1) ... [2023-11-19 08:02:55,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6177b58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:55, skipping insertion in model container [2023-11-19 08:02:55,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:55" (1/1) ... [2023-11-19 08:02:55,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:58,967 WARN L240 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_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330704,330717] [2023-11-19 08:02:58,971 WARN L240 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_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330873,330886] [2023-11-19 08:02:58,972 WARN L240 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_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331040,331053] [2023-11-19 08:02:58,982 WARN L240 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_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331208,331221] [2023-11-19 08:02:59,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:59,078 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:59,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5240] [2023-11-19 08:02:59,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5247] [2023-11-19 08:02:59,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5254] [2023-11-19 08:02:59,203 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)); [5292-5293] [2023-11-19 08:02:59,204 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"); [5298-5300] [2023-11-19 08:02:59,211 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)); [5478-5479] [2023-11-19 08:02:59,214 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)); [5512-5513] [2023-11-19 08:02:59,216 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" (103), "i" (12UL)); [5549-5550] [2023-11-19 08:02:59,217 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" (115), "i" (12UL)); [5586-5587] [2023-11-19 08:02:59,470 WARN L240 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_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330704,330717] [2023-11-19 08:02:59,471 WARN L240 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_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330873,330886] [2023-11-19 08:02:59,472 WARN L240 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_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331040,331053] [2023-11-19 08:02:59,472 WARN L240 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_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331208,331221] [2023-11-19 08:02:59,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:59,736 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:59,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59 WrapperNode [2023-11-19 08:02:59,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:59,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:59,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:59,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:59,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:02:59,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,193 INFO L138 Inliner]: procedures = 423, calls = 1900, calls flagged for inlining = 204, calls inlined = 187, statements flattened = 5630 [2023-11-19 08:03:00,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:00,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:03:00,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:03:00,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:03:00,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:03:00,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:03:00,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:03:00,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:03:00,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (1/1) ... [2023-11-19 08:03:00,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:00,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:00,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:00,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da35f7-eb9e-4089-9d8d-dcf2d3cc8904/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:03:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 08:03:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 08:03:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:03:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:03:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:03:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:03:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 08:03:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 08:03:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 08:03:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 08:03:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 08:03:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 08:03:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 08:03:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 08:03:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure desc_to_dma [2023-11-19 08:03:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_to_dma [2023-11-19 08:03:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 08:03:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 08:03:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-19 08:03:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-19 08:03:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:03:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:03:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 08:03:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 08:03:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure mii_write [2023-11-19 08:03:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_write [2023-11-19 08:03:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 08:03:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 08:03:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 08:03:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 08:03:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 08:03:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 08:03:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 08:03:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 08:03:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:03:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:03:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast [2023-11-19 08:03:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast [2023-11-19 08:03:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 08:03:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 08:03:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:03:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-19 08:03:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-19 08:03:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 08:03:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 08:03:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:03:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:03:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:03:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 08:03:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 08:03:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 08:03:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 08:03:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:03:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 08:03:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 08:03:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:03:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 08:03:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 08:03:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:03:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:03:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 08:03:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 08:03:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 08:03:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 08:03:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 08:03:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 08:03:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 08:03:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 08:03:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 08:03:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 08:03:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 08:03:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 08:03:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:03:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 08:03:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 08:03:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 08:03:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 08:03:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure rio_close [2023-11-19 08:03:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_close [2023-11-19 08:03:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:03:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2023-11-19 08:03:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2023-11-19 08:03:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 08:03:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 08:03:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:03:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:03:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:03:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-19 08:03:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-19 08:03:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:03:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:03:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:03:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:03:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure mii_read [2023-11-19 08:03:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_read [2023-11-19 08:03:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-19 08:03:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-19 08:03:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 08:03:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 08:03:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 08:03:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 08:03:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 08:03:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 08:03:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 08:03:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 08:03:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 08:03:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 08:03:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:03:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:03:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:03:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:03:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:03:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:03:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 08:03:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 08:03:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 08:03:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 08:03:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2023-11-19 08:03:00,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2023-11-19 08:03:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 08:03:00,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 08:03:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 08:03:00,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 08:03:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 08:03:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 08:03:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 08:03:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 08:03:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-11-19 08:03:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-11-19 08:03:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 08:03:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 08:03:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 08:03:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 08:03:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:03:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netdev_private [2023-11-19 08:03:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netdev_private [2023-11-19 08:03:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure rio_open [2023-11-19 08:03:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_open [2023-11-19 08:03:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:03:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 08:03:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 08:03:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2023-11-19 08:03:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2023-11-19 08:03:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:03:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:03:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:03:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 08:03:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 08:03:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 08:03:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 08:03:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 08:03:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 08:03:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2023-11-19 08:03:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2023-11-19 08:03:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 08:03:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 08:03:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 08:03:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 08:03:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure rio_free_tx [2023-11-19 08:03:00,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_free_tx [2023-11-19 08:03:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure rio_tx_timeout [2023-11-19 08:03:00,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_tx_timeout [2023-11-19 08:03:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netdev_private [2023-11-19 08:03:00,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netdev_private [2023-11-19 08:03:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure rio_remove1 [2023-11-19 08:03:00,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_remove1 [2023-11-19 08:03:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:03:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:03:00,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:03:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2023-11-19 08:03:00,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2023-11-19 08:03:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2023-11-19 08:03:00,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2023-11-19 08:03:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 08:03:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 08:03:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_media [2023-11-19 08:03:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_media [2023-11-19 08:03:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 08:03:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 08:03:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:03:00,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:03:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:03:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 08:03:00,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 08:03:01,730 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:03:01,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:01,858 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:03:06,569 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 08:03:06,716 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:06,741 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:06,741 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 08:03:06,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:06 BoogieIcfgContainer [2023-11-19 08:03:06,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:06,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:03:06,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:03:06,762 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:03:06,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:55" (1/3) ... [2023-11-19 08:03:06,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16234f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:06, skipping insertion in model container [2023-11-19 08:03:06,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:59" (2/3) ... [2023-11-19 08:03:06,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16234f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:06, skipping insertion in model container [2023-11-19 08:03:06,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:06" (3/3) ... [2023-11-19 08:03:06,765 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2023-11-19 08:03:06,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:03:06,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 08:03:06,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:03:06,947 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@3ac14140, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:03:06,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 08:03:06,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 2160 states, 1549 states have (on average 1.367333763718528) internal successors, (2118), 1580 states have internal predecessors, (2118), 530 states have call successors, (530), 84 states have call predecessors, (530), 83 states have return successors, (524), 521 states have call predecessors, (524), 524 states have call successors, (524) [2023-11-19 08:03:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 08:03:07,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:07,009 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:07,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 08:03:07,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:07,016 INFO L85 PathProgramCache]: Analyzing trace with hash -963209194, now seen corresponding path program 1 times [2023-11-19 08:03:07,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:07,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550467556] [2023-11-19 08:03:07,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:07,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:03:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:03:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:03:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:03:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:03:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:03:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:03:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:03:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 08:03:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:03:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-19 08:03:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2023-11-19 08:03:08,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:08,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550467556] [2023-11-19 08:03:08,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550467556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:08,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:08,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:03:08,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322675744] [2023-11-19 08:03:08,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:08,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:08,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:08,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:08,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:08,331 INFO L87 Difference]: Start difference. First operand has 2160 states, 1549 states have (on average 1.367333763718528) internal successors, (2118), 1580 states have internal predecessors, (2118), 530 states have call successors, (530), 84 states have call predecessors, (530), 83 states have return successors, (524), 521 states have call predecessors, (524), 524 states have call successors, (524) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 08:03:15,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:15,937 INFO L93 Difference]: Finished difference Result 6345 states and 9528 transitions. [2023-11-19 08:03:15,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:03:15,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2023-11-19 08:03:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:15,988 INFO L225 Difference]: With dead ends: 6345 [2023-11-19 08:03:15,994 INFO L226 Difference]: Without dead ends: 4198 [2023-11-19 08:03:16,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:03:16,026 INFO L413 NwaCegarLoop]: 2132 mSDtfsCounter, 3813 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 2680 mSolverCounterSat, 1316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4293 SdHoareTripleChecker+Valid, 5284 SdHoareTripleChecker+Invalid, 3996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1316 IncrementalHoareTripleChecker+Valid, 2680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:16,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4293 Valid, 5284 Invalid, 3996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1316 Valid, 2680 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-19 08:03:16,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2023-11-19 08:03:16,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 4158. [2023-11-19 08:03:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4158 states, 2997 states have (on average 1.344678011344678) internal successors, (4030), 3052 states have internal predecessors, (4030), 996 states have call successors, (996), 163 states have call predecessors, (996), 162 states have return successors, (992), 986 states have call predecessors, (992), 992 states have call successors, (992) [2023-11-19 08:03:16,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4158 states to 4158 states and 6018 transitions. [2023-11-19 08:03:16,502 INFO L78 Accepts]: Start accepts. Automaton has 4158 states and 6018 transitions. Word has length 127 [2023-11-19 08:03:16,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:16,504 INFO L495 AbstractCegarLoop]: Abstraction has 4158 states and 6018 transitions. [2023-11-19 08:03:16,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 08:03:16,504 INFO L276 IsEmpty]: Start isEmpty. Operand 4158 states and 6018 transitions. [2023-11-19 08:03:16,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 08:03:16,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:16,519 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:16,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:03:16,519 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 08:03:16,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:16,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1773953943, now seen corresponding path program 1 times [2023-11-19 08:03:16,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:16,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680334059] [2023-11-19 08:03:16,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:16,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:03:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:03:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:16,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:03:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:03:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:03:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:03:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:03:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:03:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 08:03:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:03:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 08:03:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 08:03:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2023-11-19 08:03:17,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:17,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680334059] [2023-11-19 08:03:17,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680334059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:17,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:17,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:03:17,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912758982] [2023-11-19 08:03:17,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:17,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:17,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:17,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:17,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:17,211 INFO L87 Difference]: Start difference. First operand 4158 states and 6018 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-19 08:03:24,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:24,473 INFO L93 Difference]: Finished difference Result 12328 states and 17877 transitions. [2023-11-19 08:03:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:03:24,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 131 [2023-11-19 08:03:24,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:24,551 INFO L225 Difference]: With dead ends: 12328 [2023-11-19 08:03:24,551 INFO L226 Difference]: Without dead ends: 8193 [2023-11-19 08:03:24,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:03:24,576 INFO L413 NwaCegarLoop]: 2176 mSDtfsCounter, 3761 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 1351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4221 SdHoareTripleChecker+Valid, 5389 SdHoareTripleChecker+Invalid, 3951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1351 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:24,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4221 Valid, 5389 Invalid, 3951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1351 Valid, 2600 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-19 08:03:24,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8193 states. [2023-11-19 08:03:25,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8193 to 8109. [2023-11-19 08:03:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8109 states, 5864 states have (on average 1.3477148703956343) internal successors, (7903), 5978 states have internal predecessors, (7903), 1915 states have call successors, (1915), 324 states have call predecessors, (1915), 327 states have return successors, (1931), 1890 states have call predecessors, (1931), 1911 states have call successors, (1931) [2023-11-19 08:03:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8109 states to 8109 states and 11749 transitions. [2023-11-19 08:03:25,194 INFO L78 Accepts]: Start accepts. Automaton has 8109 states and 11749 transitions. Word has length 131 [2023-11-19 08:03:25,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:25,195 INFO L495 AbstractCegarLoop]: Abstraction has 8109 states and 11749 transitions. [2023-11-19 08:03:25,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-19 08:03:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 8109 states and 11749 transitions. [2023-11-19 08:03:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 08:03:25,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:25,203 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2023-11-19 08:03:25,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:03:25,204 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 08:03:25,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:25,205 INFO L85 PathProgramCache]: Analyzing trace with hash -520043224, now seen corresponding path program 1 times [2023-11-19 08:03:25,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:25,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989046372] [2023-11-19 08:03:25,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:25,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:03:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:25,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:03:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:03:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:03:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:03:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:03:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:03:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:03:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 08:03:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:03:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-19 08:03:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 08:03:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 08:03:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-19 08:03:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:26,243 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-11-19 08:03:26,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:26,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989046372] [2023-11-19 08:03:26,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989046372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:26,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:26,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:03:26,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553937696] [2023-11-19 08:03:26,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:26,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:03:26,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:26,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:03:26,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:03:26,248 INFO L87 Difference]: Start difference. First operand 8109 states and 11749 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)