./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-amd-amd8111e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:20,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:20,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:58:20,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:20,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:20,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:20,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:20,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:20,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:20,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:20,905 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:20,906 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:20,906 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:20,908 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:20,909 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:20,909 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:20,909 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:20,910 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:20,910 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:20,911 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:20,911 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:20,912 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:20,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:20,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:20,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:20,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:20,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:20,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:20,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:20,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:20,917 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:20,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:20,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:20,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:20,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:20,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:20,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:20,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:20,920 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:20,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:20,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:20,920 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:20,921 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:20,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:20,922 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 [2023-11-24 23:58:21,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:21,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:21,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:21,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:21,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:21,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-24 23:58:24,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:25,206 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:25,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-24 23:58:25,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/data/eac07d016/3f4a78e5274b4fc0b18178fe5fc8686f/FLAG151a73983 [2023-11-24 23:58:25,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/data/eac07d016/3f4a78e5274b4fc0b18178fe5fc8686f [2023-11-24 23:58:25,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:25,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:25,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:25,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:25,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:25,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:25,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7d1faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25, skipping insertion in model container [2023-11-24 23:58:25,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:25,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:28,579 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_370967cd-8633-4bf5-be54-98f5ea09c91b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2023-11-24 23:58:28,584 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_370967cd-8633-4bf5-be54-98f5ea09c91b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2023-11-24 23:58:28,586 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_370967cd-8633-4bf5-be54-98f5ea09c91b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2023-11-24 23:58:28,608 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_370967cd-8633-4bf5-be54-98f5ea09c91b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2023-11-24 23:58:28,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:28,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:28,828 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"); [5286] [2023-11-24 23:58:28,830 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)); [5293] [2023-11-24 23:58:28,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5300] [2023-11-24 23:58:28,833 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)); [5339-5340] [2023-11-24 23:58:28,833 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"); [5345-5347] [2023-11-24 23:58:28,834 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" (809), "i" (12UL)); [5372-5373] [2023-11-24 23:58:28,834 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5378-5380] [2023-11-24 23:58:28,835 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" (814), "i" (12UL)); [5404-5405] [2023-11-24 23:58:28,836 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5410-5412] [2023-11-24 23:58:28,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5564] [2023-11-24 23:58:28,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5572] [2023-11-24 23:58:28,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5580] [2023-11-24 23:58:28,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5587] [2023-11-24 23:58:28,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5594] [2023-11-24 23:58:28,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5601] [2023-11-24 23:58:28,847 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)); [5696-5697] [2023-11-24 23:58:28,849 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)); [5730-5731] [2023-11-24 23:58:28,857 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/linux/netdevice.h"), "i" (502), "i" (12UL)); [5966-5967] [2023-11-24 23:58:28,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5973] [2023-11-24 23:58:28,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6670] [2023-11-24 23:58:28,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7126] [2023-11-24 23:58:28,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7718] [2023-11-24 23:58:29,122 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_370967cd-8633-4bf5-be54-98f5ea09c91b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2023-11-24 23:58:29,125 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_370967cd-8633-4bf5-be54-98f5ea09c91b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2023-11-24 23:58:29,125 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_370967cd-8633-4bf5-be54-98f5ea09c91b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2023-11-24 23:58:29,126 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_370967cd-8633-4bf5-be54-98f5ea09c91b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2023-11-24 23:58:29,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:29,390 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:29,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29 WrapperNode [2023-11-24 23:58:29,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:29,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:29,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:29,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:29,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:29,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:29,784 INFO L138 Inliner]: procedures = 455, calls = 1845, calls flagged for inlining = 226, calls inlined = 204, statements flattened = 5200 [2023-11-24 23:58:29,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:29,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:29,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:29,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:29,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:29,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:29,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:29,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:29,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:30,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:30,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:30,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:30,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:30,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:30,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:30,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:30,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (1/1) ... [2023-11-24 23:58:30,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:30,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:30,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:30,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370967cd-8633-4bf5-be54-98f5ea09c91b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:58:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:58:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2023-11-24 23:58:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2023-11-24 23:58:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:58:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:58:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:58:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:58:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:58:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:58:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:58:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:58:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:58:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:58:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:58:30,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:58:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-24 23:58:30,195 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-24 23:58:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:58:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:58:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:58:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:58:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-24 23:58:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-24 23:58:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:58:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:58:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:58:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:58:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:58:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:58:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:58:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:58:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:58:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:58:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-24 23:58:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-24 23:58:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:58:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:58:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:58:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-24 23:58:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-24 23:58:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-24 23:58:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-24 23:58:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2023-11-24 23:58:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2023-11-24 23:58:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:58:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:58:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2023-11-24 23:58:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2023-11-24 23:58:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:58:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2023-11-24 23:58:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2023-11-24 23:58:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:58:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:58:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2023-11-24 23:58:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2023-11-24 23:58:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:58:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2023-11-24 23:58:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2023-11-24 23:58:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:58:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:58:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:58:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:58:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:58:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:58:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:58:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:58:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:58:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:58:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:58:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:58:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:58:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:58:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:58:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2023-11-24 23:58:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2023-11-24 23:58:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:58:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:58:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:58:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:58:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:58:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:58:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:58:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2023-11-24 23:58:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2023-11-24 23:58:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-24 23:58:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-24 23:58:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:58:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:58:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:58:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:58:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:58:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:58:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:58:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:58:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:58:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2023-11-24 23:58:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2023-11-24 23:58:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:58:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:58:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-24 23:58:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-24 23:58:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:58:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:58:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2023-11-24 23:58:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2023-11-24 23:58:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:58:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:58:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-24 23:58:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-24 23:58:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:58:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:58:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-24 23:58:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-24 23:58:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-24 23:58:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-24 23:58:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-24 23:58:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-24 23:58:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2023-11-24 23:58:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2023-11-24 23:58:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:58:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:58:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:58:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:58:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:58:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:58:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 23:58:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 23:58:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2023-11-24 23:58:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2023-11-24 23:58:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2023-11-24 23:58:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2023-11-24 23:58:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:58:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:58:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2023-11-24 23:58:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2023-11-24 23:58:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:58:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:58:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2023-11-24 23:58:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2023-11-24 23:58:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:58:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:58:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-24 23:58:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-24 23:58:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:58:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:58:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-24 23:58:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-24 23:58:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:58:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-24 23:58:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-24 23:58:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:58:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:58:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:58:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2023-11-24 23:58:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2023-11-24 23:58:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-24 23:58:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-24 23:58:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2023-11-24 23:58:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2023-11-24 23:58:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:58:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2023-11-24 23:58:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2023-11-24 23:58:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:58:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:58:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:58:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:58:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:58:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:58:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:58:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:58:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2023-11-24 23:58:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2023-11-24 23:58:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2023-11-24 23:58:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2023-11-24 23:58:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:58:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:58:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:58:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:58:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:58:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:58:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-24 23:58:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-24 23:58:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:58:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:58:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:58:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:58:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:58:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2023-11-24 23:58:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2023-11-24 23:58:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:58:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:58:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_68 [2023-11-24 23:58:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_68 [2023-11-24 23:58:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2023-11-24 23:58:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2023-11-24 23:58:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2023-11-24 23:58:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2023-11-24 23:58:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:58:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:58:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:58:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:58:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2023-11-24 23:58:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2023-11-24 23:58:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-24 23:58:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-24 23:58:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2023-11-24 23:58:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2023-11-24 23:58:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:58:30,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:58:31,184 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:31,194 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:32,044 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:58:35,586 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:58:35,757 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:37,954 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:37,954 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:58:37,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:37 BoogieIcfgContainer [2023-11-24 23:58:37,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:37,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:37,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:37,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:37,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:25" (1/3) ... [2023-11-24 23:58:37,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5bced4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:37, skipping insertion in model container [2023-11-24 23:58:37,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:29" (2/3) ... [2023-11-24 23:58:37,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5bced4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:37, skipping insertion in model container [2023-11-24 23:58:37,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:37" (3/3) ... [2023-11-24 23:58:37,970 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-24 23:58:37,992 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:37,992 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:58:38,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:38,112 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@745c3965, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:38,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:58:38,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 1450 states, 812 states have (on average 1.2746305418719213) internal successors, (1035), 838 states have internal predecessors, (1035), 537 states have call successors, (537), 99 states have call predecessors, (537), 98 states have return successors, (532), 525 states have call predecessors, (532), 532 states have call successors, (532) [2023-11-24 23:58:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-24 23:58:38,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:38,159 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:38,160 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)] === [2023-11-24 23:58:38,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:38,167 INFO L85 PathProgramCache]: Analyzing trace with hash -2103492861, now seen corresponding path program 1 times [2023-11-24 23:58:38,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:38,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395693851] [2023-11-24 23:58:38,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:38,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-24 23:58:39,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:39,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395693851] [2023-11-24 23:58:39,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395693851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:39,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:39,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:39,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472453944] [2023-11-24 23:58:39,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:39,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:39,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:39,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:39,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:39,142 INFO L87 Difference]: Start difference. First operand has 1450 states, 812 states have (on average 1.2746305418719213) internal successors, (1035), 838 states have internal predecessors, (1035), 537 states have call successors, (537), 99 states have call predecessors, (537), 98 states have return successors, (532), 525 states have call predecessors, (532), 532 states have call successors, (532) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-24 23:58:42,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:42,190 INFO L93 Difference]: Finished difference Result 4249 states and 6290 transitions. [2023-11-24 23:58:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:42,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2023-11-24 23:58:42,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:42,266 INFO L225 Difference]: With dead ends: 4249 [2023-11-24 23:58:42,266 INFO L226 Difference]: Without dead ends: 2810 [2023-11-24 23:58:42,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:42,288 INFO L413 NwaCegarLoop]: 1823 mSDtfsCounter, 2010 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 3606 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:42,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 3606 Invalid, 587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-24 23:58:42,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2023-11-24 23:58:42,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2806. [2023-11-24 23:58:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 1581 states have (on average 1.2688172043010753) internal successors, (2006), 1631 states have internal predecessors, (2006), 1029 states have call successors, (1029), 194 states have call predecessors, (1029), 193 states have return successors, (1026), 1012 states have call predecessors, (1026), 1026 states have call successors, (1026) [2023-11-24 23:58:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 4061 transitions. [2023-11-24 23:58:42,656 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 4061 transitions. Word has length 117 [2023-11-24 23:58:42,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:42,660 INFO L495 AbstractCegarLoop]: Abstraction has 2806 states and 4061 transitions. [2023-11-24 23:58:42,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-24 23:58:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 4061 transitions. [2023-11-24 23:58:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 23:58:42,670 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:42,671 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:42,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:58:42,671 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)] === [2023-11-24 23:58:42,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:42,672 INFO L85 PathProgramCache]: Analyzing trace with hash 470775049, now seen corresponding path program 1 times [2023-11-24 23:58:42,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:42,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460080785] [2023-11-24 23:58:42,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:42,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-24 23:58:43,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:43,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460080785] [2023-11-24 23:58:43,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460080785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:43,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:43,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:43,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689912183] [2023-11-24 23:58:43,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:43,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:43,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:43,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:43,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:43,128 INFO L87 Difference]: Start difference. First operand 2806 states and 4061 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-24 23:58:47,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:47,090 INFO L93 Difference]: Finished difference Result 8300 states and 12027 transitions. [2023-11-24 23:58:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:47,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2023-11-24 23:58:47,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:47,145 INFO L225 Difference]: With dead ends: 8300 [2023-11-24 23:58:47,146 INFO L226 Difference]: Without dead ends: 5515 [2023-11-24 23:58:47,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:47,166 INFO L413 NwaCegarLoop]: 1913 mSDtfsCounter, 2030 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 3658 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:47,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 3658 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-24 23:58:47,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5515 states. [2023-11-24 23:58:47,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5515 to 5486. [2023-11-24 23:58:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5486 states, 3100 states have (on average 1.2706451612903227) internal successors, (3939), 3204 states have internal predecessors, (3939), 2002 states have call successors, (2002), 386 states have call predecessors, (2002), 381 states have return successors, (2013), 1957 states have call predecessors, (2013), 1999 states have call successors, (2013) [2023-11-24 23:58:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 7954 transitions. [2023-11-24 23:58:47,767 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 7954 transitions. Word has length 130 [2023-11-24 23:58:47,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:47,768 INFO L495 AbstractCegarLoop]: Abstraction has 5486 states and 7954 transitions. [2023-11-24 23:58:47,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-24 23:58:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 7954 transitions. [2023-11-24 23:58:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-24 23:58:47,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:47,772 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:47,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:58:47,773 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)] === [2023-11-24 23:58:47,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:47,773 INFO L85 PathProgramCache]: Analyzing trace with hash 375831491, now seen corresponding path program 1 times [2023-11-24 23:58:47,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:47,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190829972] [2023-11-24 23:58:47,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:47,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-24 23:58:48,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:48,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190829972] [2023-11-24 23:58:48,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190829972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:48,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:48,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:48,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801198489] [2023-11-24 23:58:48,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:48,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:48,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:48,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:48,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:48,010 INFO L87 Difference]: Start difference. First operand 5486 states and 7954 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-24 23:58:50,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:50,851 INFO L93 Difference]: Finished difference Result 15520 states and 22396 transitions. [2023-11-24 23:58:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:50,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 128 [2023-11-24 23:58:50,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:50,937 INFO L225 Difference]: With dead ends: 15520 [2023-11-24 23:58:50,938 INFO L226 Difference]: Without dead ends: 10055 [2023-11-24 23:58:50,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:50,971 INFO L413 NwaCegarLoop]: 1810 mSDtfsCounter, 1744 mSDsluCounter, 1743 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:50,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 3553 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-24 23:58:50,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10055 states. [2023-11-24 23:58:51,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10055 to 10024. [2023-11-24 23:58:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10024 states, 5632 states have (on average 1.2604758522727273) internal successors, (7099), 5830 states have internal predecessors, (7099), 3642 states have call successors, (3642), 756 states have call predecessors, (3642), 747 states have return successors, (3673), 3547 states have call predecessors, (3673), 3639 states have call successors, (3673) [2023-11-24 23:58:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10024 states to 10024 states and 14414 transitions. [2023-11-24 23:58:51,891 INFO L78 Accepts]: Start accepts. Automaton has 10024 states and 14414 transitions. Word has length 128 [2023-11-24 23:58:51,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:51,892 INFO L495 AbstractCegarLoop]: Abstraction has 10024 states and 14414 transitions. [2023-11-24 23:58:51,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-24 23:58:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 10024 states and 14414 transitions. [2023-11-24 23:58:51,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-24 23:58:51,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:51,896 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:51,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:58:51,897 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)] === [2023-11-24 23:58:51,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1919128123, now seen corresponding path program 1 times [2023-11-24 23:58:51,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:51,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506686570] [2023-11-24 23:58:51,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:51,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-24 23:58:52,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:52,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506686570] [2023-11-24 23:58:52,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506686570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:52,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:52,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:52,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986671500] [2023-11-24 23:58:52,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:52,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:52,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:52,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:52,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:52,197 INFO L87 Difference]: Start difference. First operand 10024 states and 14414 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-24 23:58:55,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:55,517 INFO L93 Difference]: Finished difference Result 17355 states and 24919 transitions. [2023-11-24 23:58:55,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:55,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 136 [2023-11-24 23:58:55,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:55,578 INFO L225 Difference]: With dead ends: 17355 [2023-11-24 23:58:55,578 INFO L226 Difference]: Without dead ends: 7352 [2023-11-24 23:58:55,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:55,629 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 1298 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 4545 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:55,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 4545 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-24 23:58:55,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7352 states. [2023-11-24 23:58:56,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7352 to 7324. [2023-11-24 23:58:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7324 states, 4208 states have (on average 1.2621197718631179) internal successors, (5311), 4354 states have internal predecessors, (5311), 2550 states have call successors, (2550), 568 states have call predecessors, (2550), 563 states have return successors, (2564), 2479 states have call predecessors, (2564), 2547 states have call successors, (2564) [2023-11-24 23:58:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7324 states to 7324 states and 10425 transitions. [2023-11-24 23:58:56,119 INFO L78 Accepts]: Start accepts. Automaton has 7324 states and 10425 transitions. Word has length 136 [2023-11-24 23:58:56,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:56,121 INFO L495 AbstractCegarLoop]: Abstraction has 7324 states and 10425 transitions. [2023-11-24 23:58:56,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-24 23:58:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 7324 states and 10425 transitions. [2023-11-24 23:58:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-24 23:58:56,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:56,127 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:56,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 23:58:56,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:58:56,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:56,128 INFO L85 PathProgramCache]: Analyzing trace with hash -330511119, now seen corresponding path program 1 times [2023-11-24 23:58:56,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:56,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059612873] [2023-11-24 23:58:56,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:56,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2023-11-24 23:58:56,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:56,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059612873] [2023-11-24 23:58:56,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059612873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:56,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:56,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:58:56,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435130937] [2023-11-24 23:58:56,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:56,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:58:56,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:56,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:58:56,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:58:56,652 INFO L87 Difference]: Start difference. First operand 7324 states and 10425 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:59:00,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:00,515 INFO L93 Difference]: Finished difference Result 7330 states and 10430 transitions. [2023-11-24 23:59:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:59:00,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2023-11-24 23:59:00,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:00,563 INFO L225 Difference]: With dead ends: 7330 [2023-11-24 23:59:00,563 INFO L226 Difference]: Without dead ends: 7328 [2023-11-24 23:59:00,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:59:00,570 INFO L413 NwaCegarLoop]: 1790 mSDtfsCounter, 2036 mSDsluCounter, 3566 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2047 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:00,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2047 Valid, 5356 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-24 23:59:00,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7328 states. [2023-11-24 23:59:01,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7328 to 7328. [2023-11-24 23:59:01,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7328 states, 4211 states have (on average 1.26193303253384) internal successors, (5314), 4357 states have internal predecessors, (5314), 2550 states have call successors, (2550), 569 states have call predecessors, (2550), 564 states have return successors, (2564), 2479 states have call predecessors, (2564), 2547 states have call successors, (2564) [2023-11-24 23:59:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7328 states to 7328 states and 10428 transitions. [2023-11-24 23:59:01,257 INFO L78 Accepts]: Start accepts. Automaton has 7328 states and 10428 transitions. Word has length 155 [2023-11-24 23:59:01,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:01,258 INFO L495 AbstractCegarLoop]: Abstraction has 7328 states and 10428 transitions. [2023-11-24 23:59:01,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:59:01,259 INFO L276 IsEmpty]: Start isEmpty. Operand 7328 states and 10428 transitions. [2023-11-24 23:59:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-24 23:59:01,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:01,261 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:01,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-24 23:59:01,262 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2023-11-24 23:59:01,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:01,263 INFO L85 PathProgramCache]: Analyzing trace with hash -2076492904, now seen corresponding path program 1 times [2023-11-24 23:59:01,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:01,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375804998] [2023-11-24 23:59:01,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:01,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2023-11-24 23:59:01,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:59:01,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375804998] [2023-11-24 23:59:01,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375804998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:01,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:01,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:59:01,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116841407] [2023-11-24 23:59:01,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:01,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:59:01,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:59:01,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:59:01,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:59:01,721 INFO L87 Difference]: Start difference. First operand 7328 states and 10428 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-24 23:59:05,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:05,458 INFO L93 Difference]: Finished difference Result 7334 states and 10433 transitions. [2023-11-24 23:59:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:59:05,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2023-11-24 23:59:05,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:05,491 INFO L225 Difference]: With dead ends: 7334 [2023-11-24 23:59:05,492 INFO L226 Difference]: Without dead ends: 7332 [2023-11-24 23:59:05,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:59:05,497 INFO L413 NwaCegarLoop]: 1793 mSDtfsCounter, 2031 mSDsluCounter, 3566 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 5359 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:05,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 5359 Invalid, 885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-24 23:59:05,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7332 states. [2023-11-24 23:59:06,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7332 to 7332. [2023-11-24 23:59:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7332 states, 4214 states have (on average 1.2617465590887518) internal successors, (5317), 4360 states have internal predecessors, (5317), 2550 states have call successors, (2550), 570 states have call predecessors, (2550), 565 states have return successors, (2564), 2479 states have call predecessors, (2564), 2547 states have call successors, (2564) [2023-11-24 23:59:06,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7332 states to 7332 states and 10431 transitions. [2023-11-24 23:59:06,056 INFO L78 Accepts]: Start accepts. Automaton has 7332 states and 10431 transitions. Word has length 160 [2023-11-24 23:59:06,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:06,058 INFO L495 AbstractCegarLoop]: Abstraction has 7332 states and 10431 transitions. [2023-11-24 23:59:06,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-24 23:59:06,058 INFO L276 IsEmpty]: Start isEmpty. Operand 7332 states and 10431 transitions. [2023-11-24 23:59:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-24 23:59:06,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:06,061 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:06,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-24 23:59:06,062 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2023-11-24 23:59:06,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:06,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2093484783, now seen corresponding path program 1 times [2023-11-24 23:59:06,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:06,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203111854] [2023-11-24 23:59:06,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:06,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat