./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/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_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-25 00:10:05,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:05,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-25 00:10:05,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:05,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:05,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:05,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:05,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:05,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:05,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:05,930 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:05,931 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:05,931 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:05,933 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:10:05,933 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:05,934 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:05,934 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:10:05,935 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:10:05,935 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:05,935 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:10:05,936 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:10:05,937 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:10:05,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:05,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:10:05,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:10:05,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:05,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:10:05,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:05,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:10:05,941 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:10:05,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:10:05,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:10:05,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:05,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:05,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:05,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:05,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:05,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:05,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:05,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:10:05,944 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:10:05,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:10:05,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:05,945 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:10:05,946 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:05,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:05,946 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_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2023-11-25 00:10:06,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:06,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:06,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:06,296 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:06,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:06,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2023-11-25 00:10:09,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:10,229 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:10,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2023-11-25 00:10:10,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/data/5729857cf/5cc3b409f7f34118b9d50868d6193f39/FLAG9855f2818 [2023-11-25 00:10:10,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/data/5729857cf/5cc3b409f7f34118b9d50868d6193f39 [2023-11-25 00:10:10,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:10,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:10,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:10,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:10,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:10,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:10" (1/1) ... [2023-11-25 00:10:10,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100c1afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:10, skipping insertion in model container [2023-11-25 00:10:10,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:10" (1/1) ... [2023-11-25 00:10:10,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:16,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:16,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:10:16,748 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] [2023-11-25 00:10:16,750 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] [2023-11-25 00:10:16,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5646] [2023-11-25 00:10:16,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5718] [2023-11-25 00:10:16,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5721] [2023-11-25 00:10:16,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [5723] [2023-11-25 00:10:16,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5728] [2023-11-25 00:10:16,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5731] [2023-11-25 00:10:16,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5733] [2023-11-25 00:10:16,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5738] [2023-11-25 00:10:16,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5741] [2023-11-25 00:10:16,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5743] [2023-11-25 00:10:16,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5748] [2023-11-25 00:10:16,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5751] [2023-11-25 00:10:16,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [5753] [2023-11-25 00:10:16,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5791] [2023-11-25 00:10:16,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5794] [2023-11-25 00:10:16,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [5796] [2023-11-25 00:10:16,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5801] [2023-11-25 00:10:16,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5804] [2023-11-25 00:10:16,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5806] [2023-11-25 00:10:16,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5811] [2023-11-25 00:10:16,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5814] [2023-11-25 00:10:16,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5816] [2023-11-25 00:10:16,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5821] [2023-11-25 00:10:16,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5824] [2023-11-25 00:10:16,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [5826] [2023-11-25 00:10:16,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5905] [2023-11-25 00:10:16,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5912] [2023-11-25 00:10:16,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5922] [2023-11-25 00:10:16,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5930] [2023-11-25 00:10:16,773 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] [2023-11-25 00:10:16,774 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] [2023-11-25 00:10:16,779 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] [2023-11-25 00:10:16,783 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] [2023-11-25 00:10:16,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6461] [2023-11-25 00:10:16,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6470] [2023-11-25 00:10:16,959 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] [2023-11-25 00:10:17,038 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] [2023-11-25 00:10:17,038 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] [2023-11-25 00:10:17,038 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] [2023-11-25 00:10:17,039 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] [2023-11-25 00:10:17,039 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] [2023-11-25 00:10:17,040 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] [2023-11-25 00:10:17,040 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] [2023-11-25 00:10:17,041 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] [2023-11-25 00:10:17,041 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] [2023-11-25 00:10:17,041 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] [2023-11-25 00:10:17,066 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] [2023-11-25 00:10:17,066 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] [2023-11-25 00:10:17,067 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] [2023-11-25 00:10:17,067 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] [2023-11-25 00:10:17,068 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] [2023-11-25 00:10:17,068 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] [2023-11-25 00:10:17,069 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] [2023-11-25 00:10:17,069 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] [2023-11-25 00:10:17,071 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] [2023-11-25 00:10:17,071 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] [2023-11-25 00:10:17,071 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] [2023-11-25 00:10:17,072 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] [2023-11-25 00:10:17,073 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] [2023-11-25 00:10:17,073 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] [2023-11-25 00:10:17,074 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] [2023-11-25 00:10:17,074 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] [2023-11-25 00:10:17,075 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] [2023-11-25 00:10:17,076 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] [2023-11-25 00:10:17,077 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] [2023-11-25 00:10:17,078 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] [2023-11-25 00:10:17,078 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] [2023-11-25 00:10:17,078 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] [2023-11-25 00:10:17,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:17,647 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:10:17,648 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:10:17,648 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:10:17,656 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:10:17,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17 WrapperNode [2023-11-25 00:10:17,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:17,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:17,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:10:17,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:10:17,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:17,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,212 INFO L138 Inliner]: procedures = 746, calls = 3828, calls flagged for inlining = 396, calls inlined = 313, statements flattened = 10010 [2023-11-25 00:10:18,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:18,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:10:18,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:10:18,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:10:18,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:10:18,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:10:18,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:10:18,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:10:18,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (1/1) ... [2023-11-25 00:10:18,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:18,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:18,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:10:18,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a0a438-4074-4ce6-b836-faceaac124f9/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:10:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-25 00:10:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-25 00:10:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-11-25 00:10:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-11-25 00:10:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2023-11-25 00:10:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2023-11-25 00:10:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-11-25 00:10:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-11-25 00:10:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_info [2023-11-25 00:10:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_info [2023-11-25 00:10:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure mega_adapinq [2023-11-25 00:10:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_adapinq [2023-11-25 00:10:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-11-25 00:10:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-11-25 00:10:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-25 00:10:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-25 00:10:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_inquiry [2023-11-25 00:10:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_inquiry [2023-11-25 00:10:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2023-11-25 00:10:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2023-11-25 00:10:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:10:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:10:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-25 00:10:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-25 00:10:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:10:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:10:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2023-11-25 00:10:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2023-11-25 00:10:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:10:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:10:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:10:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:10:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-11-25 00:10:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-11-25 00:10:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-11-25 00:10:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-11-25 00:10:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure megadev_unlocked_ioctl [2023-11-25 00:10:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure megadev_unlocked_ioctl [2023-11-25 00:10:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-25 00:10:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-25 00:10:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2023-11-25 00:10:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2023-11-25 00:10:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-25 00:10:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-25 00:10:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:10:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:10:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-25 00:10:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-25 00:10:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2023-11-25 00:10:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2023-11-25 00:10:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:10:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:10:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-11-25 00:10:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-11-25 00:10:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-25 00:10:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-25 00:10:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:10:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-11-25 00:10:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-11-25 00:10:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2023-11-25 00:10:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2023-11-25 00:10:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:10:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-25 00:10:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-25 00:10:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:10:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:10:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2023-11-25 00:10:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2023-11-25 00:10:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-25 00:10:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-25 00:10:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:10:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-11-25 00:10:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-11-25 00:10:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:10:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:10:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-25 00:10:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-25 00:10:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:10:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-11-25 00:10:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-11-25 00:10:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:10:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:10:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-25 00:10:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-25 00:10:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:10:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:10:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-11-25 00:10:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-11-25 00:10:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:10:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:10:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-25 00:10:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-25 00:10:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-25 00:10:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-25 00:10:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2023-11-25 00:10:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2023-11-25 00:10:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-11-25 00:10:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-11-25 00:10:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-25 00:10:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-25 00:10:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-25 00:10:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-25 00:10:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-11-25 00:10:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-11-25 00:10:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:10:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:10:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-25 00:10:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-25 00:10:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-25 00:10:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-25 00:10:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2023-11-25 00:10:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2023-11-25 00:10:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2023-11-25 00:10:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2023-11-25 00:10:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:10:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-25 00:10:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-25 00:10:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2023-11-25 00:10:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2023-11-25 00:10:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-25 00:10:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-25 00:10:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:10:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-11-25 00:10:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-11-25 00:10:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:10:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:10:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:10:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:10:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2023-11-25 00:10:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2023-11-25 00:10:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:10:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-25 00:10:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:10:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:10:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-25 00:10:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-25 00:10:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2023-11-25 00:10:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2023-11-25 00:10:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-25 00:10:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-25 00:10:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:10:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:10:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2023-11-25 00:10:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2023-11-25 00:10:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-25 00:10:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-25 00:10:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-11-25 00:10:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-11-25 00:10:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-25 00:10:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-25 00:10:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-25 00:10:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-25 00:10:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_rdrv [2023-11-25 00:10:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_rdrv [2023-11-25 00:10:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:10:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:10:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-25 00:10:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-25 00:10:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:10:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:10:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:10:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:10:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_inquiry [2023-11-25 00:10:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_inquiry [2023-11-25 00:10:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2023-11-25 00:10:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2023-11-25 00:10:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:10:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:10:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_pdrv [2023-11-25 00:10:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_pdrv [2023-11-25 00:10:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-25 00:10:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-25 00:10:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-25 00:10:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-25 00:10:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-25 00:10:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-25 00:10:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-25 00:10:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-25 00:10:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-25 00:10:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-25 00:10:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2023-11-25 00:10:18,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2023-11-25 00:10:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-25 00:10:18,861 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-25 00:10:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:10:18,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:10:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2023-11-25 00:10:18,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2023-11-25 00:10:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2023-11-25 00:10:18,862 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2023-11-25 00:10:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-25 00:10:18,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-25 00:10:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-25 00:10:18,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-25 00:10:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-11-25 00:10:18,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-11-25 00:10:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-11-25 00:10:18,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-11-25 00:10:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:10:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_reset [2023-11-25 00:10:18,864 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_reset [2023-11-25 00:10:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-25 00:10:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-25 00:10:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-25 00:10:18,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-25 00:10:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:10:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue [2023-11-25 00:10:18,869 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue [2023-11-25 00:10:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_biosparam [2023-11-25 00:10:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_biosparam [2023-11-25 00:10:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_remove_one [2023-11-25 00:10:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_remove_one [2023-11-25 00:10:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-25 00:10:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-25 00:10:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:10:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-25 00:10:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-25 00:10:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:10:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:10:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:10:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:10:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-25 00:10:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-25 00:10:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-25 00:10:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-25 00:10:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-25 00:10:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-25 00:10:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:10:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:10:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:10:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:10:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure seq_write [2023-11-25 00:10:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_write [2023-11-25 00:10:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2023-11-25 00:10:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2023-11-25 00:10:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-25 00:10:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-25 00:10:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2023-11-25 00:10:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2023-11-25 00:10:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-25 00:10:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-25 00:10:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-25 00:10:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-25 00:10:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-11-25 00:10:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-11-25 00:10:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-11-25 00:10:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-11-25 00:10:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-25 00:10:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-25 00:10:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-25 00:10:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-25 00:10:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:10:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:10:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-25 00:10:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-25 00:10:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:10:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-25 00:10:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-25 00:10:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-25 00:10:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-25 00:10:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:10:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:10:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-25 00:10:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-25 00:10:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-25 00:10:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-25 00:10:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-25 00:10:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-25 00:10:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2023-11-25 00:10:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2023-11-25 00:10:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:10:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:10:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-25 00:10:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-25 00:10:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-25 00:10:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-25 00:10:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:10:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-25 00:10:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-25 00:10:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-11-25 00:10:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-11-25 00:10:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2023-11-25 00:10:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2023-11-25 00:10:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort [2023-11-25 00:10:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort [2023-11-25 00:10:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-25 00:10:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-25 00:10:20,201 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:10:20,207 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:10:20,562 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:10:23,592 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; [2023-11-25 00:10:28,340 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:10:32,411 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:10:32,411 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-25 00:10:32,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:32 BoogieIcfgContainer [2023-11-25 00:10:32,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:10:32,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:10:32,418 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:10:32,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:10:32,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:10:10" (1/3) ... [2023-11-25 00:10:32,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0ff140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:32, skipping insertion in model container [2023-11-25 00:10:32,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:17" (2/3) ... [2023-11-25 00:10:32,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0ff140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:32, skipping insertion in model container [2023-11-25 00:10:32,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:32" (3/3) ... [2023-11-25 00:10:32,426 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2023-11-25 00:10:32,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:10:32,450 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 126 error locations. [2023-11-25 00:10:32,587 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:10:32,600 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;@7160d9fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:10:32,600 INFO L358 AbstractCegarLoop]: Starting to check reachability of 126 error locations. [2023-11-25 00:10:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 2633 states, 1523 states have (on average 1.3545633617859487) internal successors, (2063), 1741 states have internal predecessors, (2063), 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) [2023-11-25 00:10:32,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-25 00:10:32,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:32,653 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] [2023-11-25 00:10:32,654 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)] === [2023-11-25 00:10:32,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:32,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1392793688, now seen corresponding path program 1 times [2023-11-25 00:10:32,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:32,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784778699] [2023-11-25 00:10:32,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:32,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-25 00:10:34,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:10:34,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784778699] [2023-11-25 00:10:34,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784778699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:34,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:34,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:10:34,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929492115] [2023-11-25 00:10:34,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:34,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:10:34,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:10:34,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:10:34,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:10:34,981 INFO L87 Difference]: Start difference. First operand has 2633 states, 1523 states have (on average 1.3545633617859487) internal successors, (2063), 1741 states have internal predecessors, (2063), 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) [2023-11-25 00:10:36,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:10:38,943 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 [] [2023-11-25 00:10:43,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:43,964 INFO L93 Difference]: Finished difference Result 7785 states and 11465 transitions. [2023-11-25 00:10:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:10:43,967 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 [2023-11-25 00:10:43,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:44,046 INFO L225 Difference]: With dead ends: 7785 [2023-11-25 00:10:44,046 INFO L226 Difference]: Without dead ends: 4791 [2023-11-25 00:10:44,080 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 [2023-11-25 00:10:44,083 INFO L413 NwaCegarLoop]: 4672 mSDtfsCounter, 3639 mSDsluCounter, 3260 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 7932 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:44,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 7932 Invalid, 1053 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1045 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2023-11-25 00:10:44,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4791 states. [2023-11-25 00:10:44,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4791 to 4692. [2023-11-25 00:10:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4692 states, 2861 states have (on average 1.3254106955609926) internal successors, (3792), 3065 states have internal predecessors, (3792), 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) [2023-11-25 00:10:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 6832 transitions. [2023-11-25 00:10:44,531 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 6832 transitions. Word has length 134 [2023-11-25 00:10:44,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:44,537 INFO L495 AbstractCegarLoop]: Abstraction has 4692 states and 6832 transitions. [2023-11-25 00:10:44,537 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) [2023-11-25 00:10:44,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 6832 transitions. [2023-11-25 00:10:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-25 00:10:44,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:44,551 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] [2023-11-25 00:10:44,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:10:44,552 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)] === [2023-11-25 00:10:44,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1719839733, now seen corresponding path program 1 times [2023-11-25 00:10:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:44,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51944754] [2023-11-25 00:10:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:44,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:46,168 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-11-25 00:10:46,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:10:46,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51944754] [2023-11-25 00:10:46,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51944754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:46,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:46,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:10:46,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892669931] [2023-11-25 00:10:46,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:46,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:10:46,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:10:46,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:10:46,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:10:46,180 INFO L87 Difference]: Start difference. First operand 4692 states and 6832 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) [2023-11-25 00:10:51,867 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 [] [2023-11-25 00:10:53,872 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 []