./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-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:19,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:19,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:02:19,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:19,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:19,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:19,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:19,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:19,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:19,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:19,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:19,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:19,453 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:19,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:19,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:19,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:02:19,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:19,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:19,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:19,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:19,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:19,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:19,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:19,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:19,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:19,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:19,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:19,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:19,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:19,463 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:02:19,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:02:19,464 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:19,464 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:19,464 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:19,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:02:19,465 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:02:19,465 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_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2023-11-06 22:02:19,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:02:19,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:02:19,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:02:19,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:02:19,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:02:19,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2023-11-06 22:02:23,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:23,870 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:23,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2023-11-06 22:02:23,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/data/3abb08bfd/364a2b9169894816a57fa48b8368b46b/FLAG6c2425c12 [2023-11-06 22:02:23,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/data/3abb08bfd/364a2b9169894816a57fa48b8368b46b [2023-11-06 22:02:23,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:23,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:23,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:23,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:23,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:23,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:23" (1/1) ... [2023-11-06 22:02:23,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffe1201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:23, skipping insertion in model container [2023-11-06 22:02:23,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:23" (1/1) ... [2023-11-06 22:02:24,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:29,473 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_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2023-11-06 22:02:29,479 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_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2023-11-06 22:02:29,479 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_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2023-11-06 22:02:29,480 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_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2023-11-06 22:02:29,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:29,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:29,803 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"); [5517] [2023-11-06 22:02:29,805 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)); [5524] [2023-11-06 22:02:29,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5531] [2023-11-06 22:02:29,808 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)); [5573-5574] [2023-11-06 22:02:29,808 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"); [5579-5581] [2023-11-06 22:02:29,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5719] [2023-11-06 22:02:29,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5727] [2023-11-06 22:02:29,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5735] [2023-11-06 22:02:29,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5742] [2023-11-06 22:02:29,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5749] [2023-11-06 22:02:29,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5756] [2023-11-06 22:02:29,826 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)); [5891-5892] [2023-11-06 22:02:29,828 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)); [5925-5926] [2023-11-06 22:02:29,831 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)); [5962-5963] [2023-11-06 22:02:30,253 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_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2023-11-06 22:02:30,254 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_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2023-11-06 22:02:30,255 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_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2023-11-06 22:02:30,256 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_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2023-11-06 22:02:30,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:30,651 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:30,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30 WrapperNode [2023-11-06 22:02:30,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:30,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:30,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:30,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:30,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:30,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:31,202 INFO L138 Inliner]: procedures = 663, calls = 4699, calls flagged for inlining = 361, calls inlined = 348, statements flattened = 11545 [2023-11-06 22:02:31,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:31,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:31,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:31,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:31,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:31,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:31,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:31,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:31,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:31,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:31,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:31,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:32,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:32,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:32,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:32,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:32,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:32,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:32,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:32,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:32,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed193b1-8fb7-4e33-9ce5-31d9e6cb2fde/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:02:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:02:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-06 22:02:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-06 22:02:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2023-11-06 22:02:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2023-11-06 22:02:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 22:02:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 22:02:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2023-11-06 22:02:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2023-11-06 22:02:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:02:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:02:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-06 22:02:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-06 22:02:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2023-11-06 22:02:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2023-11-06 22:02:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2023-11-06 22:02:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2023-11-06 22:02:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2023-11-06 22:02:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2023-11-06 22:02:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2023-11-06 22:02:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2023-11-06 22:02:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:02:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:02:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2023-11-06 22:02:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2023-11-06 22:02:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 22:02:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 22:02:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2023-11-06 22:02:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2023-11-06 22:02:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-06 22:02:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-06 22:02:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2023-11-06 22:02:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2023-11-06 22:02:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2023-11-06 22:02:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2023-11-06 22:02:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 22:02:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 22:02:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 22:02:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 22:02:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-06 22:02:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-06 22:02:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-06 22:02:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-06 22:02:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2023-11-06 22:02:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2023-11-06 22:02:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-06 22:02:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-06 22:02:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:02:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:02:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-06 22:02:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-06 22:02:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2023-11-06 22:02:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2023-11-06 22:02:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:02:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-06 22:02:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-06 22:02:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-06 22:02:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-06 22:02:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-06 22:02:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-06 22:02:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2023-11-06 22:02:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2023-11-06 22:02:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2023-11-06 22:02:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2023-11-06 22:02:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2023-11-06 22:02:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2023-11-06 22:02:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2023-11-06 22:02:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2023-11-06 22:02:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 22:02:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 22:02:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2023-11-06 22:02:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2023-11-06 22:02:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2023-11-06 22:02:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2023-11-06 22:02:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2023-11-06 22:02:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2023-11-06 22:02:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2023-11-06 22:02:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2023-11-06 22:02:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:02:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2023-11-06 22:02:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2023-11-06 22:02:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:02:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:02:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:02:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2023-11-06 22:02:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2023-11-06 22:02:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 22:02:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 22:02:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2023-11-06 22:02:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2023-11-06 22:02:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2023-11-06 22:02:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2023-11-06 22:02:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:02:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 22:02:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 22:02:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2023-11-06 22:02:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2023-11-06 22:02:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:02:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:02:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-06 22:02:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-06 22:02:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2023-11-06 22:02:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2023-11-06 22:02:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-06 22:02:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-06 22:02:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-06 22:02:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-06 22:02:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-06 22:02:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-06 22:02:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2023-11-06 22:02:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2023-11-06 22:02:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-06 22:02:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-06 22:02:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2023-11-06 22:02:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2023-11-06 22:02:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 22:02:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 22:02:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:02:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-06 22:02:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-06 22:02:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-06 22:02:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-06 22:02:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2023-11-06 22:02:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2023-11-06 22:02:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-11-06 22:02:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-11-06 22:02:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:02:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:02:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:02:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:02:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:02:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:02:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:02:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2023-11-06 22:02:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2023-11-06 22:02:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2023-11-06 22:02:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2023-11-06 22:02:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:02:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:02:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-06 22:02:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-06 22:02:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2023-11-06 22:02:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2023-11-06 22:02:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2023-11-06 22:02:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2023-11-06 22:02:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:02:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:02:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2023-11-06 22:02:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2023-11-06 22:02:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-06 22:02:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-06 22:02:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-06 22:02:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-06 22:02:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-06 22:02:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-06 22:02:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2023-11-06 22:02:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2023-11-06 22:02:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-06 22:02:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-06 22:02:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-06 22:02:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-06 22:02:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2023-11-06 22:02:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2023-11-06 22:02:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2023-11-06 22:02:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2023-11-06 22:02:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2023-11-06 22:02:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2023-11-06 22:02:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:02:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:02:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:02:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:02:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2023-11-06 22:02:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2023-11-06 22:02:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-06 22:02:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-06 22:02:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2023-11-06 22:02:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2023-11-06 22:02:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:02:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:02:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2023-11-06 22:02:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2023-11-06 22:02:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2023-11-06 22:02:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2023-11-06 22:02:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2023-11-06 22:02:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2023-11-06 22:02:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2023-11-06 22:02:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2023-11-06 22:02:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-06 22:02:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-06 22:02:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2023-11-06 22:02:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2023-11-06 22:02:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:02:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:02:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2023-11-06 22:02:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2023-11-06 22:02:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-06 22:02:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-06 22:02:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-06 22:02:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-06 22:02:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2023-11-06 22:02:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2023-11-06 22:02:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2023-11-06 22:02:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2023-11-06 22:02:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2023-11-06 22:02:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2023-11-06 22:02:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:02:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:02:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2023-11-06 22:02:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2023-11-06 22:02:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 22:02:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 22:02:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-06 22:02:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-06 22:02:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2023-11-06 22:02:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2023-11-06 22:02:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2023-11-06 22:02:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2023-11-06 22:02:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-06 22:02:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-06 22:02:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:02:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:02:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:02:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-06 22:02:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-06 22:02:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2023-11-06 22:02:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2023-11-06 22:02:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:02:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2023-11-06 22:02:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2023-11-06 22:02:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-06 22:02:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-06 22:02:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2023-11-06 22:02:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2023-11-06 22:02:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-06 22:02:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-06 22:02:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2023-11-06 22:02:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2023-11-06 22:02:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:02:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:02:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:02:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2023-11-06 22:02:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2023-11-06 22:02:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:02:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:02:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 22:02:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 22:02:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 22:02:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 22:02:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 22:02:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 22:02:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 22:02:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 22:02:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2023-11-06 22:02:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2023-11-06 22:02:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 22:02:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 22:02:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2023-11-06 22:02:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2023-11-06 22:02:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2023-11-06 22:02:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2023-11-06 22:02:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-06 22:02:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-06 22:02:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2023-11-06 22:02:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2023-11-06 22:02:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2023-11-06 22:02:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2023-11-06 22:02:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-06 22:02:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-06 22:02:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2023-11-06 22:02:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2023-11-06 22:02:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2023-11-06 22:02:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2023-11-06 22:02:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 22:02:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 22:02:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2023-11-06 22:02:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2023-11-06 22:02:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-06 22:02:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-06 22:02:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2023-11-06 22:02:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2023-11-06 22:02:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2023-11-06 22:02:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2023-11-06 22:02:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2023-11-06 22:02:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2023-11-06 22:02:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-06 22:02:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-06 22:02:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:02:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:02:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_72 [2023-11-06 22:02:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_72 [2023-11-06 22:02:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:02:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2023-11-06 22:02:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2023-11-06 22:02:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:02:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:02:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2023-11-06 22:02:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2023-11-06 22:02:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2023-11-06 22:02:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2023-11-06 22:02:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2023-11-06 22:02:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2023-11-06 22:02:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2023-11-06 22:02:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2023-11-06 22:02:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2023-11-06 22:02:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2023-11-06 22:02:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2023-11-06 22:02:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2023-11-06 22:02:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-06 22:02:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-06 22:02:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2023-11-06 22:02:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2023-11-06 22:02:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2023-11-06 22:02:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2023-11-06 22:02:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2023-11-06 22:02:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2023-11-06 22:02:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2023-11-06 22:02:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2023-11-06 22:02:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2023-11-06 22:02:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2023-11-06 22:02:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2023-11-06 22:02:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2023-11-06 22:02:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-11-06 22:02:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-11-06 22:02:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2023-11-06 22:02:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2023-11-06 22:02:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2023-11-06 22:02:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2023-11-06 22:02:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2023-11-06 22:02:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2023-11-06 22:02:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2023-11-06 22:02:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2023-11-06 22:02:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 22:02:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 22:02:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-06 22:02:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-06 22:02:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2023-11-06 22:02:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2023-11-06 22:02:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2023-11-06 22:02:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2023-11-06 22:02:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2023-11-06 22:02:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2023-11-06 22:02:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-06 22:02:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-06 22:02:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-06 22:02:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-06 22:02:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2023-11-06 22:02:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2023-11-06 22:02:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 22:02:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 22:02:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2023-11-06 22:02:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2023-11-06 22:02:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-06 22:02:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-06 22:02:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2023-11-06 22:02:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2023-11-06 22:02:33,974 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:33,979 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:38,152 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:02:56,982 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-06 22:02:57,294 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:57,336 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:57,337 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-06 22:02:57,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:57 BoogieIcfgContainer [2023-11-06 22:02:57,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:57,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:57,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:57,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:57,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:23" (1/3) ... [2023-11-06 22:02:57,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a63672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:57, skipping insertion in model container [2023-11-06 22:02:57,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30" (2/3) ... [2023-11-06 22:02:57,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a63672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:57, skipping insertion in model container [2023-11-06 22:02:57,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:57" (3/3) ... [2023-11-06 22:02:57,365 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2023-11-06 22:02:57,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:57,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-06 22:02:57,564 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:57,572 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@550db6e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:57,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-06 22:02:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 3732 states, 2789 states have (on average 1.370742201505916) internal successors, (3823), 2856 states have internal predecessors, (3823), 773 states have call successors, (773), 172 states have call predecessors, (773), 171 states have return successors, (767), 754 states have call predecessors, (767), 767 states have call successors, (767) [2023-11-06 22:02:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-06 22:02:57,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:57,622 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:57,623 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)] === [2023-11-06 22:02:57,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:57,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1812159959, now seen corresponding path program 1 times [2023-11-06 22:02:57,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:57,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875834510] [2023-11-06 22:02:57,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:57,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:02:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:02:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:02:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:02:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:02:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:02:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:02:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:02:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:02:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:02:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:02:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:02:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:02:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:02:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:02:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 22:02:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:02:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 22:02:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 22:02:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:02:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-06 22:02:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-06 22:02:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2023-11-06 22:02:59,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:59,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875834510] [2023-11-06 22:02:59,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875834510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:59,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:59,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:02:59,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266432594] [2023-11-06 22:02:59,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:59,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:59,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:59,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:59,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:59,632 INFO L87 Difference]: Start difference. First operand has 3732 states, 2789 states have (on average 1.370742201505916) internal successors, (3823), 2856 states have internal predecessors, (3823), 773 states have call successors, (773), 172 states have call predecessors, (773), 171 states have return successors, (767), 754 states have call predecessors, (767), 767 states have call successors, (767) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-06 22:03:02,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:05,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:09,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:14,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:18,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:22,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:30,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:33,013 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 [] [2023-11-06 22:03:33,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:33,434 INFO L93 Difference]: Finished difference Result 11374 states and 16652 transitions. [2023-11-06 22:03:33,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:03:33,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2023-11-06 22:03:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:33,561 INFO L225 Difference]: With dead ends: 11374 [2023-11-06 22:03:33,562 INFO L226 Difference]: Without dead ends: 7675 [2023-11-06 22:03:33,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:03:33,599 INFO L413 NwaCegarLoop]: 3749 mSDtfsCounter, 7567 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 4100 mSolverCounterSat, 2102 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8242 SdHoareTripleChecker+Valid, 9484 SdHoareTripleChecker+Invalid, 6209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2102 IncrementalHoareTripleChecker+Valid, 4100 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:33,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8242 Valid, 9484 Invalid, 6209 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2102 Valid, 4100 Invalid, 7 Unknown, 0 Unchecked, 32.6s Time] [2023-11-06 22:03:33,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7675 states. [2023-11-06 22:03:34,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7675 to 7289. [2023-11-06 22:03:34,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7289 states, 5473 states have (on average 1.352822949022474) internal successors, (7404), 5602 states have internal predecessors, (7404), 1475 states have call successors, (1475), 339 states have call predecessors, (1475), 338 states have return successors, (1471), 1445 states have call predecessors, (1471), 1471 states have call successors, (1471) [2023-11-06 22:03:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7289 states to 7289 states and 10350 transitions. [2023-11-06 22:03:34,152 INFO L78 Accepts]: Start accepts. Automaton has 7289 states and 10350 transitions. Word has length 237 [2023-11-06 22:03:34,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:34,154 INFO L495 AbstractCegarLoop]: Abstraction has 7289 states and 10350 transitions. [2023-11-06 22:03:34,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-06 22:03:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 7289 states and 10350 transitions. [2023-11-06 22:03:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-06 22:03:34,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:34,165 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:34,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:03:34,165 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)] === [2023-11-06 22:03:34,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:34,166 INFO L85 PathProgramCache]: Analyzing trace with hash -954989109, now seen corresponding path program 1 times [2023-11-06 22:03:34,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:34,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712551925] [2023-11-06 22:03:34,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:34,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:03:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:03:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:03:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:03:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:03:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:03:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:34,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:03:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:03:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:03:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:03:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:03:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:03:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:03:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:03:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:03:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 22:03:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:03:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 22:03:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 22:03:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:03:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-06 22:03:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-06 22:03:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-06 22:03:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2023-11-06 22:03:35,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:35,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712551925] [2023-11-06 22:03:35,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712551925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:35,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:35,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:35,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638073663] [2023-11-06 22:03:35,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:35,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:03:35,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:35,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:03:35,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:03:35,442 INFO L87 Difference]: Start difference. First operand 7289 states and 10350 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-06 22:03:37,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:39,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:42,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:45,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:50,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:54,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:59,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:05,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:07,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:08,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:08,248 INFO L93 Difference]: Finished difference Result 22467 states and 32059 transitions. [2023-11-06 22:04:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:04:08,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 241 [2023-11-06 22:04:08,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:08,393 INFO L225 Difference]: With dead ends: 22467 [2023-11-06 22:04:08,393 INFO L226 Difference]: Without dead ends: 15221 [2023-11-06 22:04:08,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:04:08,439 INFO L413 NwaCegarLoop]: 3771 mSDtfsCounter, 7584 mSDsluCounter, 5783 mSDsCounter, 0 mSdLazyCounter, 4086 mSolverCounterSat, 2152 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8255 SdHoareTripleChecker+Valid, 9554 SdHoareTripleChecker+Invalid, 6244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2152 IncrementalHoareTripleChecker+Valid, 4086 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:08,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8255 Valid, 9554 Invalid, 6244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2152 Valid, 4086 Invalid, 6 Unknown, 0 Unchecked, 31.6s Time] [2023-11-06 22:04:08,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15221 states. [2023-11-06 22:04:09,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15221 to 14606. [2023-11-06 22:04:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14606 states, 10996 states have (on average 1.3542197162604583) internal successors, (14891), 11264 states have internal predecessors, (14891), 2918 states have call successors, (2918), 676 states have call predecessors, (2918), 689 states have return successors, (2982), 2861 states have call predecessors, (2982), 2914 states have call successors, (2982) [2023-11-06 22:04:09,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14606 states to 14606 states and 20791 transitions. [2023-11-06 22:04:09,525 INFO L78 Accepts]: Start accepts. Automaton has 14606 states and 20791 transitions. Word has length 241 [2023-11-06 22:04:09,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:09,528 INFO L495 AbstractCegarLoop]: Abstraction has 14606 states and 20791 transitions. [2023-11-06 22:04:09,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-06 22:04:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 14606 states and 20791 transitions. [2023-11-06 22:04:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-06 22:04:09,543 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:09,544 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:09,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:04:09,544 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)] === [2023-11-06 22:04:09,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:09,546 INFO L85 PathProgramCache]: Analyzing trace with hash 373091261, now seen corresponding path program 1 times [2023-11-06 22:04:09,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:09,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875967019] [2023-11-06 22:04:09,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:09,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:04:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:04:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:04:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:04:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:04:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:04:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:04:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:04:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:04:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:04:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:04:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:04:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:04:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:04:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:04:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 22:04:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:04:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 22:04:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 22:04:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-06 22:04:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-06 22:04:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-06 22:04:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2023-11-06 22:04:10,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:10,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875967019] [2023-11-06 22:04:10,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875967019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:10,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:10,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:04:10,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488125557] [2023-11-06 22:04:10,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:10,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:04:10,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:10,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:04:10,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:04:10,773 INFO L87 Difference]: Start difference. First operand 14606 states and 20791 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-06 22:04:13,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:16,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:19,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:22,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:25,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:33,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:38,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:40,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:40,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:40,693 INFO L93 Difference]: Finished difference Result 44608 states and 63738 transitions. [2023-11-06 22:04:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:04:40,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 253 [2023-11-06 22:04:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:40,929 INFO L225 Difference]: With dead ends: 44608 [2023-11-06 22:04:40,929 INFO L226 Difference]: Without dead ends: 30045 [2023-11-06 22:04:41,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:04:41,017 INFO L413 NwaCegarLoop]: 4248 mSDtfsCounter, 7424 mSDsluCounter, 6121 mSDsCounter, 0 mSdLazyCounter, 4240 mSolverCounterSat, 2039 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8084 SdHoareTripleChecker+Valid, 10369 SdHoareTripleChecker+Invalid, 6285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2039 IncrementalHoareTripleChecker+Valid, 4240 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:41,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8084 Valid, 10369 Invalid, 6285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2039 Valid, 4240 Invalid, 6 Unknown, 0 Unchecked, 28.4s Time] [2023-11-06 22:04:41,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30045 states. [2023-11-06 22:04:42,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30045 to 28916. [2023-11-06 22:04:42,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28916 states, 21812 states have (on average 1.3550797726022372) internal successors, (29557), 22336 states have internal predecessors, (29557), 5726 states have call successors, (5726), 1342 states have call predecessors, (5726), 1375 states have return successors, (5940), 5609 states have call predecessors, (5940), 5722 states have call successors, (5940) [2023-11-06 22:04:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28916 states to 28916 states and 41223 transitions. [2023-11-06 22:04:42,887 INFO L78 Accepts]: Start accepts. Automaton has 28916 states and 41223 transitions. Word has length 253 [2023-11-06 22:04:42,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:42,892 INFO L495 AbstractCegarLoop]: Abstraction has 28916 states and 41223 transitions. [2023-11-06 22:04:42,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-06 22:04:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 28916 states and 41223 transitions. [2023-11-06 22:04:42,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-06 22:04:42,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:42,907 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2023-11-06 22:04:42,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:04:42,907 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2023-11-06 22:04:42,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:42,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1898787877, now seen corresponding path program 1 times [2023-11-06 22:04:42,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:42,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143079501] [2023-11-06 22:04:42,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:42,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:04:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:04:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:04:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:04:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:04:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:04:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:04:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:04:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:04:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:04:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:04:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:04:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:04:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:04:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:04:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 22:04:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:04:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 22:04:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 22:04:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-06 22:04:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 22:04:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-06 22:04:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:04:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:04:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-06 22:04:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2023-11-06 22:04:44,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:44,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143079501] [2023-11-06 22:04:44,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143079501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:44,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:44,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:04:44,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670194556] [2023-11-06 22:04:44,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:44,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:04:44,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:44,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:04:44,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:04:44,115 INFO L87 Difference]: Start difference. First operand 28916 states and 41223 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-06 22:04:46,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:48,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:50,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:53,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:55,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:58,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:00,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:04,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:08,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:10,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:13,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:15,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:30,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:32,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:35,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:37,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:37,979 INFO L93 Difference]: Finished difference Result 68424 states and 98278 transitions. [2023-11-06 22:05:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:05:37,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 268 [2023-11-06 22:05:37,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:38,336 INFO L225 Difference]: With dead ends: 68424 [2023-11-06 22:05:38,336 INFO L226 Difference]: Without dead ends: 39551 [2023-11-06 22:05:38,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:05:38,437 INFO L413 NwaCegarLoop]: 3679 mSDtfsCounter, 9150 mSDsluCounter, 7466 mSDsCounter, 0 mSdLazyCounter, 6303 mSolverCounterSat, 4166 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9637 SdHoareTripleChecker+Valid, 11145 SdHoareTripleChecker+Invalid, 10481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4166 IncrementalHoareTripleChecker+Valid, 6303 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:38,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9637 Valid, 11145 Invalid, 10481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4166 Valid, 6303 Invalid, 12 Unknown, 0 Unchecked, 51.4s Time] [2023-11-06 22:05:38,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39551 states. [2023-11-06 22:05:40,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39551 to 35215. [2023-11-06 22:05:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35215 states, 26511 states have (on average 1.3548715627475387) internal successors, (35919), 27162 states have internal predecessors, (35919), 6860 states have call successors, (6860), 1782 states have call predecessors, (6860), 1841 states have return successors, (7063), 6746 states have call predecessors, (7063), 6856 states have call successors, (7063) [2023-11-06 22:05:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35215 states to 35215 states and 49842 transitions. [2023-11-06 22:05:40,829 INFO L78 Accepts]: Start accepts. Automaton has 35215 states and 49842 transitions. Word has length 268 [2023-11-06 22:05:40,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:40,831 INFO L495 AbstractCegarLoop]: Abstraction has 35215 states and 49842 transitions. [2023-11-06 22:05:40,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-06 22:05:40,831 INFO L276 IsEmpty]: Start isEmpty. Operand 35215 states and 49842 transitions. [2023-11-06 22:05:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-06 22:05:40,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:40,840 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:40,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:05:40,841 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2023-11-06 22:05:40,841 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:40,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1857436411, now seen corresponding path program 1 times [2023-11-06 22:05:40,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:40,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564880732] [2023-11-06 22:05:40,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:40,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:05:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:05:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:05:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:05:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:05:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:05:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:05:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:05:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:05:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:05:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:05:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:05:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:05:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:41,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:05:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:05:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 22:05:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:05:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 22:05:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 22:05:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:05:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-06 22:05:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-06 22:05:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2023-11-06 22:05:42,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:42,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564880732] [2023-11-06 22:05:42,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564880732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:42,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:42,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:05:42,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934053721] [2023-11-06 22:05:42,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:42,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:05:42,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:42,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:05:42,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:05:42,184 INFO L87 Difference]: Start difference. First operand 35215 states and 49842 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-06 22:05:44,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:45,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:47,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:05:49,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []