./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-scsi-dc395x.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-scsi-dc395x.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire --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 0bf193ff624457977142216fa4b846141b3a73cc99d63106295be9be2cda7ead --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:01,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:01,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:18:01,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:01,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:01,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:01,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:01,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:01,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:01,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:01,306 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:01,306 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:01,307 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:01,307 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:01,308 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:01,312 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:01,312 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:01,313 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:01,313 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:01,314 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:01,314 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:01,315 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:01,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:01,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:01,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:01,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:01,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:01,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:01,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:01,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:01,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:01,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:01,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:01,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:01,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:01,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:01,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:01,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:01,323 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:01,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:01,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:01,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:01,325 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:01,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:01,325 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_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bf193ff624457977142216fa4b846141b3a73cc99d63106295be9be2cda7ead [2023-11-23 21:18:01,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:01,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:01,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:01,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:01,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:01,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-scsi-dc395x.ko.cil.out.i [2023-11-23 21:18:04,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:05,561 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:05,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-scsi-dc395x.ko.cil.out.i [2023-11-23 21:18:05,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/data/d314976f7/a10a5971c6f343e99ec18fc2fa0c2e24/FLAGf1cd3bf74 [2023-11-23 21:18:05,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/data/d314976f7/a10a5971c6f343e99ec18fc2fa0c2e24 [2023-11-23 21:18:05,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:05,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:05,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:05,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:05,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:05,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:05" (1/1) ... [2023-11-23 21:18:05,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c40e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:05, skipping insertion in model container [2023-11-23 21:18:05,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:05" (1/1) ... [2023-11-23 21:18:05,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:08,490 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_ed3b11de-5071-4c6f-8490-ee994ee05cbe/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-scsi-dc395x.ko.cil.out.i[358802,358815] [2023-11-23 21:18:08,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:08,650 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:08,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (853), "i" (sizeof(struct bug_entry ))); [4699-4705] [2023-11-23 21:18:08,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.save_fl.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4725-4749] [2023-11-23 21:18:08,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.save_fl.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4752-4776] [2023-11-23 21:18:08,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (858), "i" (sizeof(struct bug_entry ))); [4808-4814] [2023-11-23 21:18:08,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.restore_fl.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4833-4857] [2023-11-23 21:18:08,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (863), "i" (sizeof(struct bug_entry ))); [4887-4893] [2023-11-23 21:18:08,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_disable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4912-4936] [2023-11-23 21:18:08,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("out" "b" " %" "b" "0, %w1": : "a" (value), "Nd" (port)); [5023-5027] [2023-11-23 21:18:08,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("in" "b" " %w1, %" "b" "0": "=a" (value): "Nd" (port)); [5034-5038] [2023-11-23 21:18:08,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("out" "w" " %" "w" "0, %w1": : "a" (value), "Nd" (port)); [5045-5049] [2023-11-23 21:18:08,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("in" "w" " %w1, %" "w" "0": "=a" (value): "Nd" (port)); [5056-5060] [2023-11-23 21:18:08,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("out" "l" " %" "" "0, %w1": : "a" (value), "Nd" (port)); [5067-5071] [2023-11-23 21:18:08,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("in" "l" " %w1, %" "" "0": "=a" (value): "Nd" (port)); [5078-5082] [2023-11-23 21:18:08,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("include/asm-generic/dma-mapping-common.h"), "i" (18), "i" (sizeof(struct bug_entry ))); [5234-5240] [2023-11-23 21:18:08,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("include/asm-generic/dma-mapping-common.h"), "i" (35), "i" (sizeof(struct bug_entry ))); [5303-5309] [2023-11-23 21:18:08,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("include/asm-generic/dma-mapping-common.h"), "i" (114), "i" (sizeof(struct bug_entry ))); [5370-5376] [2023-11-23 21:18:08,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("include/asm-generic/dma-mapping-common.h"), "i" (144), "i" (sizeof(struct bug_entry ))); [5437-5443] [2023-11-23 21:18:08,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/work/current--X--drivers/scsi/dc395x.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/68_1/drivers/scsi/dc395x.c.common.c"), "i" (1007), "i" (sizeof(struct bug_entry ))); [6673-6679] [2023-11-23 21:18:09,236 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_ed3b11de-5071-4c6f-8490-ee994ee05cbe/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-scsi-dc395x.ko.cil.out.i[358802,358815] [2023-11-23 21:18:09,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:09,405 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:18:09,413 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:09,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09 WrapperNode [2023-11-23 21:18:09,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:09,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:09,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:09,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:09,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:09,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:09,986 INFO L138 Inliner]: procedures = 249, calls = 3012, calls flagged for inlining = 124, calls inlined = 115, statements flattened = 9840 [2023-11-23 21:18:09,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:09,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:09,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:09,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:09,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:09,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:10,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:10,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:10,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:10,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:10,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:10,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:10,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:10,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:10,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:10,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:10,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:10,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:10,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:10,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:10,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3b11de-5071-4c6f-8490-ee994ee05cbe/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure list_size [2023-11-23 21:18:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure list_size [2023-11-23 21:18:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kunmap_atomic_sg [2023-11-23 21:18:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kunmap_atomic_sg [2023-11-23 21:18:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:18:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:18:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_set_timer [2023-11-23 21:18:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_set_timer [2023-11-23 21:18:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_get_next [2023-11-23 21:18:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_get_next [2023-11-23 21:18:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_process_next [2023-11-23 21:18:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_process_next [2023-11-23 21:18:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:18:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:18:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure build_sdtr [2023-11-23 21:18:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure build_sdtr [2023-11-23 21:18:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd [2023-11-23 21:18:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd [2023-11-23 21:18:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-23 21:18:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-23 21:18:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:18:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:18:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_remove_and_free_device [2023-11-23 21:18:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_remove_and_free_device [2023-11-23 21:18:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_after_transfer [2023-11-23 21:18:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_after_transfer [2023-11-23 21:18:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb_sense [2023-11-23 21:18:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb_sense [2023-11-23 21:18:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-23 21:18:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-23 21:18:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-23 21:18:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-23 21:18:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure start_scsi [2023-11-23 21:18:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure start_scsi [2023-11-23 21:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:18:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure data_io_transfer [2023-11-23 21:18:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure data_io_transfer [2023-11-23 21:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:18:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_uninit [2023-11-23 21:18:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_uninit [2023-11-23 21:18:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2023-11-23 21:18:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2023-11-23 21:18:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:18:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:18:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:18:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure sg_verify_length [2023-11-23 21:18:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_verify_length [2023-11-23 21:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_module_exit [2023-11-23 21:18:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_module_exit [2023-11-23 21:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure set_basic_config [2023-11-23 21:18:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure set_basic_config [2023-11-23 21:18:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:18:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:18:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:18:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:18:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_module_init [2023-11-23 21:18:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_module_init [2023-11-23 21:18:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-23 21:18:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-23 21:18:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure enable_msgout_abort [2023-11-23 21:18:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_msgout_abort [2023-11-23 21:18:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:18:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-23 21:18:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-23 21:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:18:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:18:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_regs [2023-11-23 21:18:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_regs [2023-11-23 21:18:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_sg_tables_free [2023-11-23 21:18:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_sg_tables_free [2023-11-23 21:18:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure set_safe_settings [2023-11-23 21:18:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure set_safe_settings [2023-11-23 21:18:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:18:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:18:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-23 21:18:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-23 21:18:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:18:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_write_cmd [2023-11-23 21:18:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_write_cmd [2023-11-23 21:18:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_override [2023-11-23 21:18:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_override [2023-11-23 21:18:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:18:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:18:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:18:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure build_wdtr [2023-11-23 21:18:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure build_wdtr [2023-11-23 21:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:18:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:18:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:18:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure reset_dev_param [2023-11-23 21:18:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_dev_param [2023-11-23 21:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-23 21:18:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-23 21:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure msgin_reject [2023-11-23 21:18:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure msgin_reject [2023-11-23 21:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:18:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:18:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 21:18:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 21:18:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:18:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_to_waiting_move [2023-11-23 21:18:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_to_waiting_move [2023-11-23 21:18:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure sg_update_list [2023-11-23 21:18:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_update_list [2023-11-23 21:18:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:18:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:18:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_remove [2023-11-23 21:18:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_remove [2023-11-23 21:18:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:18:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:18:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:18:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure free_tag [2023-11-23 21:18:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tag [2023-11-23 21:18:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_remove [2023-11-23 21:18:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_remove [2023-11-23 21:18:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:18:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure sg_subtract_one [2023-11-23 21:18:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_subtract_one [2023-11-23 21:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:18:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure clear_fifo [2023-11-23 21:18:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_fifo [2023-11-23 21:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:18:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:18:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:18:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_slave_destroy [2023-11-23 21:18:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_slave_destroy [2023-11-23 21:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:18:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-23 21:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-23 21:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure srb_free_insert [2023-11-23 21:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_free_insert [2023-11-23 21:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-11-23 21:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-11-23 21:18:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:18:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-23 21:18:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-23 21:18:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:18:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:18:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2023-11-23 21:18:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2023-11-23 21:18:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:18:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:18:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:18:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:18:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:18:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-23 21:18:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-23 21:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb [2023-11-23 21:18:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb [2023-11-23 21:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kmap_atomic_sg [2023-11-23 21:18:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kmap_atomic_sg [2023-11-23 21:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure find_dcb [2023-11-23 21:18:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dcb [2023-11-23 21:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 21:18:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 21:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:18:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-11-23 21:18:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-11-23 21:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure reset_scsi_bus [2023-11-23 21:18:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_scsi_bus [2023-11-23 21:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:18:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 21:18:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 21:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-23 21:18:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-23 21:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_wait_30us [2023-11-23 21:18:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_wait_30us [2023-11-23 21:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure doing_srb_done [2023-11-23 21:18:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure doing_srb_done [2023-11-23 21:18:11,718 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:11,722 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:13,929 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:18:15,193 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##170: assume !false; [2023-11-23 21:18:15,193 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##169: assume false; [2023-11-23 21:18:15,780 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:18:20,665 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2023-11-23 21:18:20,666 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2023-11-23 21:18:21,001 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:27,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:27,798 INFO L309 CfgBuilder]: Removed 182 assume(true) statements. [2023-11-23 21:18:27,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:27 BoogieIcfgContainer [2023-11-23 21:18:27,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:27,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:27,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:27,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:27,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:05" (1/3) ... [2023-11-23 21:18:27,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8568dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:27, skipping insertion in model container [2023-11-23 21:18:27,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09" (2/3) ... [2023-11-23 21:18:27,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8568dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:27, skipping insertion in model container [2023-11-23 21:18:27,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:27" (3/3) ... [2023-11-23 21:18:27,810 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-scsi-dc395x.ko.cil.out.i [2023-11-23 21:18:27,832 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:27,832 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:27,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:27,941 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;@6978c9ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:27,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 1891 states, 1199 states have (on average 1.378648874061718) internal successors, (1653), 1262 states have internal predecessors, (1653), 603 states have call successors, (603), 87 states have call predecessors, (603), 87 states have return successors, (603), 589 states have call predecessors, (603), 603 states have call successors, (603) [2023-11-23 21:18:27,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 21:18:27,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:27,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:27,962 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:27,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:27,968 INFO L85 PathProgramCache]: Analyzing trace with hash -934672755, now seen corresponding path program 1 times [2023-11-23 21:18:27,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:27,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410590426] [2023-11-23 21:18:27,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:27,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:18:40,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:40,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410590426] [2023-11-23 21:18:40,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410590426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:40,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:40,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:40,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926026067] [2023-11-23 21:18:40,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:40,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:40,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:40,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:40,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:40,701 INFO L87 Difference]: Start difference. First operand has 1891 states, 1199 states have (on average 1.378648874061718) internal successors, (1653), 1262 states have internal predecessors, (1653), 603 states have call successors, (603), 87 states have call predecessors, (603), 87 states have return successors, (603), 589 states have call predecessors, (603), 603 states have call successors, (603) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:18:46,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:46,226 INFO L93 Difference]: Finished difference Result 3751 states and 5781 transitions. [2023-11-23 21:18:46,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:18:46,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-23 21:18:46,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:46,261 INFO L225 Difference]: With dead ends: 3751 [2023-11-23 21:18:46,261 INFO L226 Difference]: Without dead ends: 1850 [2023-11-23 21:18:46,282 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 [2023-11-23 21:18:46,286 INFO L413 NwaCegarLoop]: 2328 mSDtfsCounter, 2710 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2710 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:46,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2710 Valid, 2328 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-23 21:18:46,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2023-11-23 21:18:46,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1850. [2023-11-23 21:18:46,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1168 states have (on average 1.2868150684931507) internal successors, (1503), 1219 states have internal predecessors, (1503), 595 states have call successors, (595), 87 states have call predecessors, (595), 86 states have return successors, (594), 580 states have call predecessors, (594), 594 states have call successors, (594) [2023-11-23 21:18:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2692 transitions. [2023-11-23 21:18:46,578 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2692 transitions. Word has length 10 [2023-11-23 21:18:46,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:46,579 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 2692 transitions. [2023-11-23 21:18:46,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:18:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2692 transitions. [2023-11-23 21:18:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:18:46,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:46,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:46,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:18:46,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:46,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:46,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1088667942, now seen corresponding path program 1 times [2023-11-23 21:18:46,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:46,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236885740] [2023-11-23 21:18:46,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:46,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms