./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/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_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:43,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:43,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:08:43,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:43,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:43,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:43,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:43,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:43,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:43,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:43,594 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:43,595 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:43,596 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:43,598 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:08:43,598 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:43,598 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:43,599 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:08:43,599 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:08:43,600 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:43,600 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:08:43,601 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:08:43,601 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:08:43,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:43,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:08:43,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:08:43,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:43,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:08:43,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:43,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:08:43,605 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:08:43,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:08:43,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:08:43,607 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:43,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:43,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:43,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:43,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:43,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:43,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:43,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:08:43,610 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:08:43,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:08:43,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:43,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:08:43,611 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:43,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:43,611 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_c9f038e3-15ce-496b-af33-cbc619879cb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2023-11-23 21:08:43,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:43,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:43,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:43,945 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:43,947 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:43,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2023-11-23 21:08:47,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:48,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:48,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2023-11-23 21:08:48,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/data/ec331fad1/1e8fe0f4118f41a3aecf6cc9676d37e7/FLAG71bc6776d [2023-11-23 21:08:48,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/data/ec331fad1/1e8fe0f4118f41a3aecf6cc9676d37e7 [2023-11-23 21:08:48,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:48,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:48,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:48,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:48,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:48,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:48" (1/1) ... [2023-11-23 21:08:48,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596ff8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:48, skipping insertion in model container [2023-11-23 21:08:48,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:48" (1/1) ... [2023-11-23 21:08:48,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:53,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:53,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:08:54,002 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)); [5624-5625] [2023-11-23 21:08:54,004 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"); [5630-5632] [2023-11-23 21:08:54,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5646] [2023-11-23 21:08:54,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5718] [2023-11-23 21:08:54,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5721] [2023-11-23 21:08:54,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [5723] [2023-11-23 21:08:54,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5728] [2023-11-23 21:08:54,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5731] [2023-11-23 21:08:54,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5733] [2023-11-23 21:08:54,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5738] [2023-11-23 21:08:54,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5741] [2023-11-23 21:08:54,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5743] [2023-11-23 21:08:54,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5748] [2023-11-23 21:08:54,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5751] [2023-11-23 21:08:54,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [5753] [2023-11-23 21:08:54,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5791] [2023-11-23 21:08:54,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5794] [2023-11-23 21:08:54,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [5796] [2023-11-23 21:08:54,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5801] [2023-11-23 21:08:54,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5804] [2023-11-23 21:08:54,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5806] [2023-11-23 21:08:54,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5811] [2023-11-23 21:08:54,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5814] [2023-11-23 21:08:54,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5816] [2023-11-23 21:08:54,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5821] [2023-11-23 21:08:54,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5824] [2023-11-23 21:08:54,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [5826] [2023-11-23 21:08:54,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5905] [2023-11-23 21:08:54,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5912] [2023-11-23 21:08:54,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5922] [2023-11-23 21:08:54,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5930] [2023-11-23 21:08:54,024 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)); [6023-6024] [2023-11-23 21:08:54,025 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)); [6034-6035] [2023-11-23 21:08:54,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6117-6118] [2023-11-23 21:08:54,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6151-6152] [2023-11-23 21:08:54,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6461] [2023-11-23 21:08:54,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6470] [2023-11-23 21:08:54,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/scsi/megaraid.c"), "i" (1740), "i" (12UL)); [8037-8038] [2023-11-23 21:08:54,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9494] [2023-11-23 21:08:54,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9497] [2023-11-23 21:08:54,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9500] [2023-11-23 21:08:54,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9503] [2023-11-23 21:08:54,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9506] [2023-11-23 21:08:54,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9540-9541] [2023-11-23 21:08:54,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9544-9545] [2023-11-23 21:08:54,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9548-9549] [2023-11-23 21:08:54,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9552-9553] [2023-11-23 21:08:54,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)uioc.__ua.__uaddr): "ebx"); [9556-9557] [2023-11-23 21:08:54,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (& ((megacmd_t *)(& uiocp->__ua.__raw_mbox))->status): "ebx"); [10021] [2023-11-23 21:08:54,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (& ((megacmd_t *)(& uiocp->__ua.__raw_mbox))->status): "ebx"); [10024] [2023-11-23 21:08:54,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (& ((megacmd_t *)(& uiocp->__ua.__raw_mbox))->status): "ebx"); [10027] [2023-11-23 21:08:54,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (& ((megacmd_t *)(& uiocp->__ua.__raw_mbox))->status): "ebx"); [10030] [2023-11-23 21:08:54,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (& ((megacmd_t *)(& uiocp->__ua.__raw_mbox))->status): "ebx"); [10033] [2023-11-23 21:08:54,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((mega_passthru **)(& umc->xferaddr)), "i" (8UL)); [10046-10047] [2023-11-23 21:08:54,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& upthru->scsistatus): "ebx"); [10077-10078] [2023-11-23 21:08:54,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& upthru->scsistatus): "ebx"); [10081-10082] [2023-11-23 21:08:54,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& upthru->scsistatus): "ebx"); [10085-10086] [2023-11-23 21:08:54,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& upthru->scsistatus): "ebx"); [10089-10090] [2023-11-23 21:08:54,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& upthru->scsistatus): "ebx"); [10093-10094] [2023-11-23 21:08:54,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u8 *)(& uioc_mimd->mbox) + 17UL): "ebx"); [10130-10131] [2023-11-23 21:08:54,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u8 *)(& uioc_mimd->mbox) + 17UL): "ebx"); [10134-10135] [2023-11-23 21:08:54,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u8 *)(& uioc_mimd->mbox) + 17UL): "ebx"); [10138-10139] [2023-11-23 21:08:54,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u8 *)(& uioc_mimd->mbox) + 17UL): "ebx"); [10142-10143] [2023-11-23 21:08:54,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u8 *)(& uioc_mimd->mbox) + 17UL): "ebx"); [10146-10147] [2023-11-23 21:08:54,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" ((mega_passthru **)(& umc->xferaddr)), "i" (8UL)); [10160-10161] [2023-11-23 21:08:54,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (& upthru->scsistatus): "ebx"); [10191-10192] [2023-11-23 21:08:54,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (& upthru->scsistatus): "ebx"); [10195-10196] [2023-11-23 21:08:54,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (& upthru->scsistatus): "ebx"); [10199-10200] [2023-11-23 21:08:54,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (& upthru->scsistatus): "ebx"); [10203-10204] [2023-11-23 21:08:54,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (& upthru->scsistatus): "ebx"); [10207-10208] [2023-11-23 21:08:54,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:54,890 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:08:54,890 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:08:54,891 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:08:54,899 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:08:54,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54 WrapperNode [2023-11-23 21:08:54,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:54,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:54,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:08:54,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:08:54,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,450 INFO L138 Inliner]: procedures = 746, calls = 3828, calls flagged for inlining = 396, calls inlined = 313, statements flattened = 9748 [2023-11-23 21:08:55,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:55,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:08:55,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:08:55,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:08:55,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:08:55,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:08:55,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:08:55,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:08:55,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (1/1) ... [2023-11-23 21:08:55,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:56,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:56,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:08:56,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9f038e3-15ce-496b-af33-cbc619879cb0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:08:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 21:08:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 21:08:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-11-23 21:08:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-11-23 21:08:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2023-11-23 21:08:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2023-11-23 21:08:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-11-23 21:08:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-11-23 21:08:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_info [2023-11-23 21:08:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_info [2023-11-23 21:08:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure mega_adapinq [2023-11-23 21:08:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_adapinq [2023-11-23 21:08:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-11-23 21:08:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-11-23 21:08:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-23 21:08:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-23 21:08:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_inquiry [2023-11-23 21:08:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_inquiry [2023-11-23 21:08:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2023-11-23 21:08:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2023-11-23 21:08:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:08:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:08:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-23 21:08:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-23 21:08:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:08:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:08:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2023-11-23 21:08:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2023-11-23 21:08:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:08:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:08:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:08:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:08:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-11-23 21:08:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-11-23 21:08:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-11-23 21:08:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-11-23 21:08:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure megadev_unlocked_ioctl [2023-11-23 21:08:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure megadev_unlocked_ioctl [2023-11-23 21:08:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:08:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:08:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2023-11-23 21:08:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2023-11-23 21:08:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:08:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:08:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:08:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:08:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-23 21:08:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-23 21:08:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2023-11-23 21:08:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2023-11-23 21:08:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:08:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:08:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-11-23 21:08:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-11-23 21:08:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:08:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:08:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:08:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-11-23 21:08:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-11-23 21:08:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2023-11-23 21:08:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2023-11-23 21:08:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:08:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:08:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:08:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:08:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:08:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2023-11-23 21:08:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2023-11-23 21:08:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-23 21:08:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-23 21:08:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:08:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-11-23 21:08:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-11-23 21:08:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:08:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:08:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-23 21:08:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-23 21:08:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:08:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-11-23 21:08:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-11-23 21:08:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:08:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:08:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 21:08:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-23 21:08:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:08:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:08:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-11-23 21:08:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-11-23 21:08:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:08:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:08:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:08:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:08:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-23 21:08:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-23 21:08:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2023-11-23 21:08:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2023-11-23 21:08:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-11-23 21:08:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-11-23 21:08:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:08:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:08:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:08:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:08:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-11-23 21:08:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-11-23 21:08:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:08:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:08:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:08:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:08:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-23 21:08:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-23 21:08:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2023-11-23 21:08:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2023-11-23 21:08:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2023-11-23 21:08:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2023-11-23 21:08:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:08:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-23 21:08:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-23 21:08:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2023-11-23 21:08:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2023-11-23 21:08:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:08:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:08:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:08:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-11-23 21:08:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-11-23 21:08:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:08:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:08:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:08:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:08:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2023-11-23 21:08:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2023-11-23 21:08:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:08:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:08:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:08:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:08:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 21:08:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 21:08:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2023-11-23 21:08:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2023-11-23 21:08:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-23 21:08:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-23 21:08:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:08:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:08:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2023-11-23 21:08:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2023-11-23 21:08:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 21:08:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 21:08:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-11-23 21:08:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-11-23 21:08:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-23 21:08:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-23 21:08:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:08:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:08:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_rdrv [2023-11-23 21:08:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_rdrv [2023-11-23 21:08:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:08:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:08:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 21:08:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 21:08:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:08:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:08:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:08:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:08:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_inquiry [2023-11-23 21:08:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_inquiry [2023-11-23 21:08:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2023-11-23 21:08:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2023-11-23 21:08:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:08:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:08:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_pdrv [2023-11-23 21:08:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_pdrv [2023-11-23 21:08:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-23 21:08:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-23 21:08:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-23 21:08:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-23 21:08:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-23 21:08:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-23 21:08:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-23 21:08:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-23 21:08:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-23 21:08:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-23 21:08:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2023-11-23 21:08:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2023-11-23 21:08:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:08:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:08:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:08:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:08:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2023-11-23 21:08:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2023-11-23 21:08:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2023-11-23 21:08:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2023-11-23 21:08:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-23 21:08:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-23 21:08:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:08:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:08:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-11-23 21:08:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-11-23 21:08:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-11-23 21:08:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-11-23 21:08:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:08:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_reset [2023-11-23 21:08:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_reset [2023-11-23 21:08:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:08:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:08:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-23 21:08:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-23 21:08:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:08:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue [2023-11-23 21:08:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue [2023-11-23 21:08:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_biosparam [2023-11-23 21:08:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_biosparam [2023-11-23 21:08:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_remove_one [2023-11-23 21:08:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_remove_one [2023-11-23 21:08:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:08:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:08:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:08:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:08:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:08:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:08:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:08:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:08:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:08:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-23 21:08:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-23 21:08:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-23 21:08:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-23 21:08:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:08:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:08:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:08:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:08:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:08:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:08:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure seq_write [2023-11-23 21:08:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_write [2023-11-23 21:08:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2023-11-23 21:08:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2023-11-23 21:08:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:08:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:08:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2023-11-23 21:08:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2023-11-23 21:08:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-23 21:08:56,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-23 21:08:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:08:56,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:08:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-11-23 21:08:56,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-11-23 21:08:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-11-23 21:08:56,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-11-23 21:08:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-23 21:08:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-23 21:08:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:08:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:08:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:08:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:08:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:08:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:08:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:08:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-23 21:08:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-23 21:08:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-23 21:08:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-23 21:08:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:08:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:08:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:08:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:08:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-23 21:08:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-23 21:08:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:08:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:08:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2023-11-23 21:08:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2023-11-23 21:08:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:08:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:08:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-23 21:08:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-23 21:08:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:08:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:08:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:08:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:08:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 21:08:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-11-23 21:08:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-11-23 21:08:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2023-11-23 21:08:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2023-11-23 21:08:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort [2023-11-23 21:08:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort [2023-11-23 21:08:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-23 21:08:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-23 21:08:57,342 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:08:57,348 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:08:57,677 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:09:00,356 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: mega_build_cmd_#res#1.base, mega_build_cmd_#res#1.offset := 0, 0;call ULTIMATE.dealloc(mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset);havoc mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset; [2023-11-23 21:09:04,612 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:08,408 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:08,408 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-23 21:09:08,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:08 BoogieIcfgContainer [2023-11-23 21:09:08,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:08,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:08,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:08,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:08,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:08:48" (1/3) ... [2023-11-23 21:09:08,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3239c490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:08, skipping insertion in model container [2023-11-23 21:09:08,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:54" (2/3) ... [2023-11-23 21:09:08,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3239c490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:08, skipping insertion in model container [2023-11-23 21:09:08,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:08" (3/3) ... [2023-11-23 21:09:08,424 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2023-11-23 21:09:08,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:08,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 126 error locations. [2023-11-23 21:09:08,605 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:08,614 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;@12d573e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:08,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 126 error locations. [2023-11-23 21:09:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 2630 states, 1520 states have (on average 1.355263157894737) internal successors, (2060), 1738 states have internal predecessors, (2060), 850 states have call successors, (850), 134 states have call predecessors, (850), 133 states have return successors, (843), 833 states have call predecessors, (843), 843 states have call successors, (843) [2023-11-23 21:09:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-23 21:09:08,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:08,680 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:08,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 123 more)] === [2023-11-23 21:09:08,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:08,690 INFO L85 PathProgramCache]: Analyzing trace with hash 857411190, now seen corresponding path program 1 times [2023-11-23 21:09:08,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:08,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575310467] [2023-11-23 21:09:08,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:08,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-23 21:09:10,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:09:10,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575310467] [2023-11-23 21:09:10,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575310467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:09:10,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:09:10,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:09:10,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67951824] [2023-11-23 21:09:10,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:09:10,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:09:10,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:09:10,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:09:10,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:09:10,883 INFO L87 Difference]: Start difference. First operand has 2630 states, 1520 states have (on average 1.355263157894737) internal successors, (2060), 1738 states have internal predecessors, (2060), 850 states have call successors, (850), 134 states have call predecessors, (850), 133 states have return successors, (843), 833 states have call predecessors, (843), 843 states have call successors, (843) Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:09:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:09:15,063 INFO L93 Difference]: Finished difference Result 7776 states and 11456 transitions. [2023-11-23 21:09:15,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:09:15,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 134 [2023-11-23 21:09:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:09:15,128 INFO L225 Difference]: With dead ends: 7776 [2023-11-23 21:09:15,129 INFO L226 Difference]: Without dead ends: 4785 [2023-11-23 21:09:15,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 21:09:15,161 INFO L413 NwaCegarLoop]: 4687 mSDtfsCounter, 3636 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 7962 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:09:15,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 7962 Invalid, 1017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-23 21:09:15,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4785 states. [2023-11-23 21:09:15,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4785 to 4686. [2023-11-23 21:09:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4686 states, 2855 states have (on average 1.3260945709281962) internal successors, (3786), 3059 states have internal predecessors, (3786), 1505 states have call successors, (1505), 224 states have call predecessors, (1505), 223 states have return successors, (1535), 1483 states have call predecessors, (1535), 1505 states have call successors, (1535) [2023-11-23 21:09:15,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4686 states to 4686 states and 6826 transitions. [2023-11-23 21:09:15,763 INFO L78 Accepts]: Start accepts. Automaton has 4686 states and 6826 transitions. Word has length 134 [2023-11-23 21:09:15,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:09:15,769 INFO L495 AbstractCegarLoop]: Abstraction has 4686 states and 6826 transitions. [2023-11-23 21:09:15,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:09:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4686 states and 6826 transitions. [2023-11-23 21:09:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 21:09:15,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:15,785 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:15,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:09:15,786 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 123 more)] === [2023-11-23 21:09:15,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:15,786 INFO L85 PathProgramCache]: Analyzing trace with hash -288054948, now seen corresponding path program 1 times [2023-11-23 21:09:15,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:15,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013266460] [2023-11-23 21:09:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-11-23 21:09:17,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:09:17,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013266460] [2023-11-23 21:09:17,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013266460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:09:17,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:09:17,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:09:17,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86229006] [2023-11-23 21:09:17,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:09:17,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:09:17,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:09:17,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:09:17,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:09:17,414 INFO L87 Difference]: Start difference. First operand 4686 states and 6826 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 21:09:20,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:09:22,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:09:25,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:09:28,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []