./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ --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 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:53:15,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:53:15,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:53:15,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:53:15,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:53:15,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:53:15,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:53:15,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:53:15,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:53:15,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:53:15,574 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:53:15,575 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:53:15,575 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:53:15,576 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:53:15,577 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:53:15,577 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:53:15,578 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:53:15,579 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:53:15,580 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:53:15,580 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:53:15,581 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:53:15,582 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:53:15,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:53:15,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:53:15,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:53:15,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:53:15,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:53:15,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:53:15,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:53:15,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:53:15,588 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:53:15,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:53:15,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:53:15,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:15,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:53:15,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:53:15,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:53:15,592 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:53:15,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:53:15,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:53:15,593 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:53:15,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:53:15,594 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_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2023-11-19 04:53:15,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:53:15,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:53:15,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:53:15,957 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:53:15,958 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:53:15,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-19 04:53:19,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:53:20,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:53:20,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-19 04:53:20,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/data/620e45c78/bdc19939c7304db99331b7cecb471250/FLAG3b9e19760 [2023-11-19 04:53:20,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/data/620e45c78/bdc19939c7304db99331b7cecb471250 [2023-11-19 04:53:20,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:53:20,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:53:20,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:20,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:53:20,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:53:20,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:20" (1/1) ... [2023-11-19 04:53:20,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450c52cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:20, skipping insertion in model container [2023-11-19 04:53:20,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:20" (1/1) ... [2023-11-19 04:53:20,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:53:25,170 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_9934359a-5b78-4a7e-af5d-9d5dcae81e96/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2023-11-19 04:53:25,176 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_9934359a-5b78-4a7e-af5d-9d5dcae81e96/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2023-11-19 04:53:25,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:25,291 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:53:25,410 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"); [5398] [2023-11-19 04:53:25,412 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)); [5405] [2023-11-19 04:53:25,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5412] [2023-11-19 04:53:25,414 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5457-5458] [2023-11-19 04:53:25,415 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"); [5463-5465] [2023-11-19 04:53:25,416 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5490-5491] [2023-11-19 04:53:25,417 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"); [5496-5498] [2023-11-19 04:53:25,418 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5522-5523] [2023-11-19 04:53:25,418 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"); [5528-5530] [2023-11-19 04:53:25,427 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)); [5797-5798] [2023-11-19 04:53:25,430 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)); [5831-5832] [2023-11-19 04:53:25,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5868-5869] [2023-11-19 04:53:25,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5905-5906] [2023-11-19 04:53:25,721 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 *)"drivers/net/ethernet/3com/3c59x.c"), "i" (3233), "i" (12UL)); [11557-11558] [2023-11-19 04:53:25,831 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_9934359a-5b78-4a7e-af5d-9d5dcae81e96/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2023-11-19 04:53:25,832 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_9934359a-5b78-4a7e-af5d-9d5dcae81e96/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2023-11-19 04:53:25,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:26,327 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:53:26,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26 WrapperNode [2023-11-19 04:53:26,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:26,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:26,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:53:26,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:53:26,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:26,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:26,959 INFO L138 Inliner]: procedures = 548, calls = 4531, calls flagged for inlining = 251, calls inlined = 230, statements flattened = 9827 [2023-11-19 04:53:26,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:26,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:53:26,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:53:26,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:53:26,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:26,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:27,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:27,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:27,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:27,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:27,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:27,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:27,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:53:27,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:53:27,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:53:27,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:53:27,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (1/1) ... [2023-11-19 04:53:27,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:27,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:27,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:53:27,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9934359a-5b78-4a7e-af5d-9d5dcae81e96/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:53:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2023-11-19 04:53:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2023-11-19 04:53:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:53:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:53:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:53:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:53:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 04:53:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 04:53:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-19 04:53:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-19 04:53:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-11-19 04:53:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-11-19 04:53:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:53:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:53:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2023-11-19 04:53:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2023-11-19 04:53:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2023-11-19 04:53:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2023-11-19 04:53:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:53:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:53:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:53:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:53:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-19 04:53:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-19 04:53:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-11-19 04:53:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-11-19 04:53:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 04:53:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 04:53:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-19 04:53:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-19 04:53:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:53:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:53:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 04:53:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 04:53:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 04:53:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 04:53:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-19 04:53:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-19 04:53:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 04:53:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 04:53:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:53:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:53:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2023-11-19 04:53:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2023-11-19 04:53:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:53:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:53:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-19 04:53:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-19 04:53:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-19 04:53:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-19 04:53:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-19 04:53:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-19 04:53:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:53:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:53:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:53:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:53:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:53:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:53:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 04:53:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 04:53:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:53:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:53:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-19 04:53:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-19 04:53:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:53:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:53:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:53:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:53:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-19 04:53:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-19 04:53:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:53:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:53:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2023-11-19 04:53:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2023-11-19 04:53:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:53:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:53:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:53:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-11-19 04:53:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-11-19 04:53:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 04:53:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 04:53:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:53:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:53:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2023-11-19 04:53:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2023-11-19 04:53:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:53:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:53:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2023-11-19 04:53:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2023-11-19 04:53:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:53:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-19 04:53:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-19 04:53:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-19 04:53:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-19 04:53:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-19 04:53:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-19 04:53:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:53:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:53:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 04:53:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 04:53:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:53:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:53:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:53:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2023-11-19 04:53:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2023-11-19 04:53:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:53:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:53:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:53:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-19 04:53:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-19 04:53:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 04:53:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 04:53:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:53:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:53:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:53:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:53:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:53:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:53:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:53:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:53:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:53:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:53:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:53:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:53:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-19 04:53:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-19 04:53:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2023-11-19 04:53:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2023-11-19 04:53:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-19 04:53:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-19 04:53:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:53:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:53:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-19 04:53:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-19 04:53:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:53:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:53:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-19 04:53:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-19 04:53:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:53:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-19 04:53:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-19 04:53:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 04:53:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 04:53:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:53:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:53:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:53:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:53:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:53:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:53:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-19 04:53:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-19 04:53:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:53:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:53:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 04:53:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 04:53:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:53:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:53:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:53:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:53:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 04:53:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 04:53:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-19 04:53:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-19 04:53:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:53:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:53:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-19 04:53:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-19 04:53:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-19 04:53:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-19 04:53:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:53:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:53:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-19 04:53:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-19 04:53:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:53:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:53:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-19 04:53:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-19 04:53:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:53:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:53:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:53:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:53:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-19 04:53:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-19 04:53:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:53:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:53:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-19 04:53:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-19 04:53:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-19 04:53:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-19 04:53:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 04:53:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 04:53:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 04:53:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 04:53:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-19 04:53:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-19 04:53:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-19 04:53:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-19 04:53:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-19 04:53:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-19 04:53:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-19 04:53:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-19 04:53:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 04:53:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 04:53:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:53:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:53:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-19 04:53:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-19 04:53:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:53:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:53:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:53:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:53:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:53:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:53:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-19 04:53:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-19 04:53:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:53:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:53:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:53:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:53:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-19 04:53:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-19 04:53:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:53:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:53:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 04:53:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 04:53:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:53:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2023-11-19 04:53:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2023-11-19 04:53:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 04:53:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 04:53:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:53:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:53:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:53:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-19 04:53:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-19 04:53:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-19 04:53:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-19 04:53:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:53:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:53:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:53:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:53:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:53:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2023-11-19 04:53:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2023-11-19 04:53:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-19 04:53:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-19 04:53:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:53:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:53:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:53:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:53:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:53:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:53:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 04:53:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 04:53:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-19 04:53:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-19 04:53:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-19 04:53:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-19 04:53:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-19 04:53:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-19 04:53:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 04:53:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 04:53:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-19 04:53:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-19 04:53:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2023-11-19 04:53:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2023-11-19 04:53:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:53:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:53:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:53:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:53:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 04:53:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 04:53:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2023-11-19 04:53:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2023-11-19 04:53:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:53:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:53:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-19 04:53:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-19 04:53:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2023-11-19 04:53:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2023-11-19 04:53:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:53:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 04:53:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 04:53:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-19 04:53:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-19 04:53:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-19 04:53:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-19 04:53:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 04:53:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 04:53:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:53:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:53:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-19 04:53:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-19 04:53:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-19 04:53:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-19 04:53:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2023-11-19 04:53:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2023-11-19 04:53:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-19 04:53:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-19 04:53:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-19 04:53:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-19 04:53:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 04:53:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 04:53:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-19 04:53:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-19 04:53:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-19 04:53:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-19 04:53:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:53:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:53:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 04:53:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 04:53:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 04:53:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 04:53:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:53:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:53:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-19 04:53:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-19 04:53:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:53:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:53:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2023-11-19 04:53:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2023-11-19 04:53:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2023-11-19 04:53:27,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2023-11-19 04:53:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:53:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:53:27,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:53:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 04:53:27,719 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 04:53:28,769 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:53:28,776 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:53:31,057 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:53:38,930 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:53:44,150 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:53:44,150 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:53:44,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:44 BoogieIcfgContainer [2023-11-19 04:53:44,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:53:44,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:53:44,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:53:44,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:53:44,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:53:20" (1/3) ... [2023-11-19 04:53:44,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171eacfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:44, skipping insertion in model container [2023-11-19 04:53:44,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:26" (2/3) ... [2023-11-19 04:53:44,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171eacfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:44, skipping insertion in model container [2023-11-19 04:53:44,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:44" (3/3) ... [2023-11-19 04:53:44,178 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-19 04:53:44,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:53:44,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:53:44,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:53:44,322 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;@73b18fbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:53:44,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:53:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 2379 states, 1371 states have (on average 1.3085339168490153) internal successors, (1794), 1457 states have internal predecessors, (1794), 851 states have call successors, (851), 156 states have call predecessors, (851), 155 states have return successors, (844), 826 states have call predecessors, (844), 844 states have call successors, (844) [2023-11-19 04:53:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 04:53:44,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:44,372 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:44,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:44,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:44,379 INFO L85 PathProgramCache]: Analyzing trace with hash 382507938, now seen corresponding path program 1 times [2023-11-19 04:53:44,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:44,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519061221] [2023-11-19 04:53:44,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:44,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:53,996 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-19 04:53:53,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:53,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519061221] [2023-11-19 04:53:53,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519061221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:54,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:54,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:53:54,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186371929] [2023-11-19 04:53:54,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:54,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:53:54,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:54,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:53:54,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:53:54,087 INFO L87 Difference]: Start difference. First operand has 2379 states, 1371 states have (on average 1.3085339168490153) internal successors, (1794), 1457 states have internal predecessors, (1794), 851 states have call successors, (851), 156 states have call predecessors, (851), 155 states have return successors, (844), 826 states have call predecessors, (844), 844 states have call successors, (844) Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 04:53:56,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:58,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:00,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []