./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.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_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/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_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/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_2b466720-0c22-4dbc-b148-017e0260ea64/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 ddf5a1a49f314301e8909becfbc4609d48a707110e74ebac2933b9b32da37a44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:52,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:52,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:09:52,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:52,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:52,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:52,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:52,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:52,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:52,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:52,279 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:52,280 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:52,281 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:52,281 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:52,282 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:52,282 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:52,283 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:52,283 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:52,284 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:52,285 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:52,285 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:52,286 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:52,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:52,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:52,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:52,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:52,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:52,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:52,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:52,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:52,291 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:52,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:52,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:52,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:52,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:52,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:52,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:52,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:52,295 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:52,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:52,295 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:52,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:52,297 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:52,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:52,297 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_2b466720-0c22-4dbc-b148-017e0260ea64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddf5a1a49f314301e8909becfbc4609d48a707110e74ebac2933b9b32da37a44 [2023-11-23 21:09:52,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:52,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:52,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:52,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:52,591 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:52,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i [2023-11-23 21:09:55,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:56,282 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:56,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i [2023-11-23 21:09:56,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/data/f59d94cc4/0cbc7efd0bc94cfaa73cb104070d4e8f/FLAG7af88c406 [2023-11-23 21:09:56,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/data/f59d94cc4/0cbc7efd0bc94cfaa73cb104070d4e8f [2023-11-23 21:09:56,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:56,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:56,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:56,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:56,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:56,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:56" (1/1) ... [2023-11-23 21:09:56,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191f209c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:56, skipping insertion in model container [2023-11-23 21:09:56,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:56" (1/1) ... [2023-11-23 21:09:56,484 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:56,892 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2411] [2023-11-23 21:09:56,897 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2412-2413] [2023-11-23 21:09:57,205 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_2b466720-0c22-4dbc-b148-017e0260ea64/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i[85029,85042] [2023-11-23 21:09:57,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:57,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:58,007 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2411] [2023-11-23 21:09:58,008 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2412-2413] [2023-11-23 21:09:58,010 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [2497-2498] [2023-11-23 21:09:58,013 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [2525-2526] [2023-11-23 21:09:58,014 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"); [2531-2533] [2023-11-23 21:09:58,015 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [2555-2556] [2023-11-23 21:09:58,015 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"); [2561-2563] [2023-11-23 21:09:58,016 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [2584-2585] [2023-11-23 21:09:58,017 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"); [2590-2592] [2023-11-23 21:09:58,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [2622] [2023-11-23 21:09:58,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [2625] [2023-11-23 21:09:58,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [2627] [2023-11-23 21:09:58,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [2632] [2023-11-23 21:09:58,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [2635] [2023-11-23 21:09:58,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [2637] [2023-11-23 21:09:58,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [2642] [2023-11-23 21:09:58,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [2645] [2023-11-23 21:09:58,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [2647] [2023-11-23 21:09:58,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [2652] [2023-11-23 21:09:58,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [2655] [2023-11-23 21:09:58,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [2657] [2023-11-23 21:09:58,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [2675] [2023-11-23 21:09:58,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [2678] [2023-11-23 21:09:58,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [2680] [2023-11-23 21:09:58,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [2685] [2023-11-23 21:09:58,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [2688] [2023-11-23 21:09:58,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [2690] [2023-11-23 21:09:58,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [2695] [2023-11-23 21:09:58,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [2698] [2023-11-23 21:09:58,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [2700] [2023-11-23 21:09:58,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [2705] [2023-11-23 21:09:58,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [2708] [2023-11-23 21:09:58,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [2710] [2023-11-23 21:09:58,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2764] [2023-11-23 21:09:58,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [2772] [2023-11-23 21:09:58,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2779] [2023-11-23 21:09:58,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [2786] [2023-11-23 21:09:58,035 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_2b466720-0c22-4dbc-b148-017e0260ea64/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i[85029,85042] [2023-11-23 21:09:58,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [3029-3030] [2023-11-23 21:09:58,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [3037-3038] [2023-11-23 21:09:58,058 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" (52), "i" (12UL)); [3116-3117] [2023-11-23 21:09:58,059 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" (65), "i" (12UL)); [3141-3142] [2023-11-23 21:09:58,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3207] [2023-11-23 21:09:58,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3214] [2023-11-23 21:09:58,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4086] [2023-11-23 21:09:58,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4117] [2023-11-23 21:09:58,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4147] [2023-11-23 21:09:58,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4607] [2023-11-23 21:09:58,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:58,347 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:09:58,355 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:58,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58 WrapperNode [2023-11-23 21:09:58,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:58,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:58,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:58,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:58,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,597 INFO L138 Inliner]: procedures = 182, calls = 1226, calls flagged for inlining = 104, calls inlined = 97, statements flattened = 3526 [2023-11-23 21:09:58,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:58,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:58,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:58,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:58,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:58,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:58,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:58,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:58,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (1/1) ... [2023-11-23 21:09:58,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:58,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:58,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:58,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:09:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:09:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-23 21:09:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-23 21:09:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:09:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:09:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:09:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:09:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:09:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-23 21:09:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-23 21:09:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:09:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:09:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:09:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:09:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-23 21:09:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-23 21:09:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-11-23 21:09:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-11-23 21:09:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_priv [2023-11-23 21:09:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_priv [2023-11-23 21:09:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-23 21:09:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-23 21:09:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:09:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-23 21:09:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-23 21:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:09:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:09:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:09:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:09:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-23 21:09:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-23 21:09:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:09:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:09:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:09:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:09:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:09:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:09:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_transfer_data [2023-11-23 21:09:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_transfer_data [2023-11-23 21:09:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:09:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-23 21:09:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-23 21:09:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 21:09:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 21:09:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:09:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:09:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:09:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_complete_cmd [2023-11-23 21:09:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_complete_cmd [2023-11-23 21:09:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:09:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:09:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-23 21:09:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-23 21:09:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-23 21:09:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-23 21:09:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:09:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:09:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:09:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_next_req [2023-11-23 21:09:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_next_req [2023-11-23 21:09:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:09:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:09:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:09:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:09:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_pmos [2023-11-23 21:09:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_pmos [2023-11-23 21:09:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_remove [2023-11-23 21:09:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_remove [2023-11-23 21:09:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:09:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:09:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:09:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:09:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:09:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:09:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-23 21:09:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-23 21:09:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_free_host [2023-11-23 21:09:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_free_host [2023-11-23 21:09:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:09:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:09:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:09:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:09:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:09:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:09:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:09:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:09:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:09:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_issue_cmd [2023-11-23 21:09:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_issue_cmd [2023-11-23 21:09:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_detect_change [2023-11-23 21:09:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_detect_change [2023-11-23 21:09:59,466 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:59,470 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:00,488 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:10:02,418 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:04,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:04,159 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:04,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:04 BoogieIcfgContainer [2023-11-23 21:10:04,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:04,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:04,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:04,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:04,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:56" (1/3) ... [2023-11-23 21:10:04,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7500fa77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:04, skipping insertion in model container [2023-11-23 21:10:04,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:58" (2/3) ... [2023-11-23 21:10:04,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7500fa77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:04, skipping insertion in model container [2023-11-23 21:10:04,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:04" (3/3) ... [2023-11-23 21:10:04,179 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i [2023-11-23 21:10:04,200 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:04,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:04,287 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:04,296 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;@5d6a8ba3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:04,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 671 states, 440 states have (on average 1.3681818181818182) internal successors, (602), 463 states have internal predecessors, (602), 187 states have call successors, (187), 43 states have call predecessors, (187), 42 states have return successors, (181), 177 states have call predecessors, (181), 181 states have call successors, (181) [2023-11-23 21:10:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 21:10:04,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:04,337 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-23 21:10:04,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:04,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:04,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1945139326, now seen corresponding path program 1 times [2023-11-23 21:10:04,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:04,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995206382] [2023-11-23 21:10:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:04,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 21:10:05,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:10:05,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995206382] [2023-11-23 21:10:05,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995206382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:05,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:05,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:05,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031398579] [2023-11-23 21:10:05,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:05,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:05,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:10:05,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:05,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:05,155 INFO L87 Difference]: Start difference. First operand has 671 states, 440 states have (on average 1.3681818181818182) internal successors, (602), 463 states have internal predecessors, (602), 187 states have call successors, (187), 43 states have call predecessors, (187), 42 states have return successors, (181), 177 states have call predecessors, (181), 181 states have call successors, (181) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 21:10:06,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:06,899 INFO L93 Difference]: Finished difference Result 1796 states and 2601 transitions. [2023-11-23 21:10:06,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:06,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 69 [2023-11-23 21:10:06,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:06,939 INFO L225 Difference]: With dead ends: 1796 [2023-11-23 21:10:06,939 INFO L226 Difference]: Without dead ends: 1098 [2023-11-23 21:10:06,952 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 21:10:06,962 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 665 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:06,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 1647 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 21:10:06,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2023-11-23 21:10:07,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1098. [2023-11-23 21:10:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 731 states have (on average 1.3392612859097128) internal successors, (979), 757 states have internal predecessors, (979), 299 states have call successors, (299), 68 states have call predecessors, (299), 67 states have return successors, (298), 290 states have call predecessors, (298), 298 states have call successors, (298) [2023-11-23 21:10:07,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1576 transitions. [2023-11-23 21:10:07,201 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1576 transitions. Word has length 69 [2023-11-23 21:10:07,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:07,201 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1576 transitions. [2023-11-23 21:10:07,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 21:10:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1576 transitions. [2023-11-23 21:10:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 21:10:07,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:07,225 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:07,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:10:07,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:07,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:07,226 INFO L85 PathProgramCache]: Analyzing trace with hash 993597713, now seen corresponding path program 1 times [2023-11-23 21:10:07,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:07,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404693319] [2023-11-23 21:10:07,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:07,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:07,647 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 21:10:07,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:10:07,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404693319] [2023-11-23 21:10:07,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404693319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:07,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:07,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:07,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172676998] [2023-11-23 21:10:07,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:07,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:07,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:10:07,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:07,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:07,653 INFO L87 Difference]: Start difference. First operand 1098 states and 1576 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:10:10,172 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 [] [2023-11-23 21:10:10,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:10,468 INFO L93 Difference]: Finished difference Result 2190 states and 3146 transitions. [2023-11-23 21:10:10,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:10,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 84 [2023-11-23 21:10:10,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:10,479 INFO L225 Difference]: With dead ends: 2190 [2023-11-23 21:10:10,479 INFO L226 Difference]: Without dead ends: 1102 [2023-11-23 21:10:10,485 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 21:10:10,486 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 4 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:10,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1598 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-23 21:10:10,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2023-11-23 21:10:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1099. [2023-11-23 21:10:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 732 states have (on average 1.3387978142076502) internal successors, (980), 758 states have internal predecessors, (980), 299 states have call successors, (299), 68 states have call predecessors, (299), 67 states have return successors, (298), 290 states have call predecessors, (298), 298 states have call successors, (298) [2023-11-23 21:10:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1577 transitions. [2023-11-23 21:10:10,556 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1577 transitions. Word has length 84 [2023-11-23 21:10:10,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:10,557 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 1577 transitions. [2023-11-23 21:10:10,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:10:10,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1577 transitions. [2023-11-23 21:10:10,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 21:10:10,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:10,567 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:10,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:10:10,569 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:10,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:10,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1962626974, now seen corresponding path program 1 times [2023-11-23 21:10:10,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:10,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567921235] [2023-11-23 21:10:10,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:10,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 21:10:10,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:10:10,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567921235] [2023-11-23 21:10:10,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567921235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:10,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:10,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:10:10,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384678791] [2023-11-23 21:10:10,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:10,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:10:10,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:10:10,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:10:10,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:10:10,964 INFO L87 Difference]: Start difference. First operand 1099 states and 1577 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:10:12,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:12,648 INFO L93 Difference]: Finished difference Result 2222 states and 3197 transitions. [2023-11-23 21:10:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:10:12,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 85 [2023-11-23 21:10:12,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:12,658 INFO L225 Difference]: With dead ends: 2222 [2023-11-23 21:10:12,658 INFO L226 Difference]: Without dead ends: 1133 [2023-11-23 21:10:12,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:10:12,665 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 31 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2389 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:12,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 2389 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 21:10:12,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2023-11-23 21:10:12,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1128. [2023-11-23 21:10:12,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 754 states have (on average 1.3421750663129974) internal successors, (1012), 781 states have internal predecessors, (1012), 306 states have call successors, (306), 68 states have call predecessors, (306), 67 states have return successors, (305), 297 states have call predecessors, (305), 305 states have call successors, (305) [2023-11-23 21:10:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1623 transitions. [2023-11-23 21:10:12,730 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1623 transitions. Word has length 85 [2023-11-23 21:10:12,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:12,731 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1623 transitions. [2023-11-23 21:10:12,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:10:12,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1623 transitions. [2023-11-23 21:10:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 21:10:12,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:12,739 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:12,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:10:12,740 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:12,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:12,740 INFO L85 PathProgramCache]: Analyzing trace with hash 719493876, now seen corresponding path program 1 times [2023-11-23 21:10:12,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:12,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289464390] [2023-11-23 21:10:12,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:12,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 21:10:13,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:10:13,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289464390] [2023-11-23 21:10:13,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289464390] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:10:13,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162076154] [2023-11-23 21:10:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:13,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:10:13,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:13,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:10:13,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b466720-0c22-4dbc-b148-017e0260ea64/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:10:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:13,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 1513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:10:13,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 21:10:13,874 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 21:10:13,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162076154] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:13,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1105111805] [2023-11-23 21:10:13,994 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2023-11-23 21:10:13,994 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:10:14,000 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:10:14,006 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:10:14,007 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:10:40,337 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 1037 for LOIs [2023-11-23 21:10:47,612 INFO L180 IcfgInterpreter]: Interpretation finished