./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/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_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:50:17,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:17,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:50:17,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:17,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:17,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:17,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:17,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:17,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:17,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:17,757 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:17,758 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:17,758 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:17,760 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:50:17,760 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:17,761 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:17,761 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:50:17,762 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:50:17,762 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:17,763 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:50:17,763 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:50:17,764 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:50:17,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:17,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:17,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:50:17,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:17,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:17,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:17,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:17,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:50:17,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:50:17,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:17,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:17,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:17,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:17,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:17,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:17,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:17,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:17,775 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:50:17,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:50:17,775 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:17,776 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:17,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:17,777 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_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2023-11-12 00:50:18,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:18,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:18,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:18,092 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:18,093 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:18,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2023-11-12 00:50:21,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:22,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:22,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2023-11-12 00:50:22,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/data/488e87213/6f9056b74a9f4c6ea811c7222cb8e865/FLAGe018cad6f [2023-11-12 00:50:22,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/data/488e87213/6f9056b74a9f4c6ea811c7222cb8e865 [2023-11-12 00:50:22,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:22,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:22,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:22,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:22,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:22,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:22" (1/1) ... [2023-11-12 00:50:22,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147d97aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:22, skipping insertion in model container [2023-11-12 00:50:22,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:22" (1/1) ... [2023-11-12 00:50:22,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:50:28,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:28,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:50:28,841 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] [2023-11-12 00:50:28,843 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] [2023-11-12 00:50:28,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5646] [2023-11-12 00:50:28,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5718] [2023-11-12 00:50:28,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5721] [2023-11-12 00:50:28,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [5723] [2023-11-12 00:50:28,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5728] [2023-11-12 00:50:28,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5731] [2023-11-12 00:50:28,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5733] [2023-11-12 00:50:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5738] [2023-11-12 00:50:28,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5741] [2023-11-12 00:50:28,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5743] [2023-11-12 00:50:28,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5748] [2023-11-12 00:50:28,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5751] [2023-11-12 00:50:28,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [5753] [2023-11-12 00:50:28,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5791] [2023-11-12 00:50:28,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5794] [2023-11-12 00:50:28,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [5796] [2023-11-12 00:50:28,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5801] [2023-11-12 00:50:28,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5804] [2023-11-12 00:50:28,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5806] [2023-11-12 00:50:28,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5811] [2023-11-12 00:50:28,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5814] [2023-11-12 00:50:28,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5816] [2023-11-12 00:50:28,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5821] [2023-11-12 00:50:28,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5824] [2023-11-12 00:50:28,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [5826] [2023-11-12 00:50:28,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5905] [2023-11-12 00:50:28,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5912] [2023-11-12 00:50:28,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5922] [2023-11-12 00:50:28,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5930] [2023-11-12 00:50:28,927 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] [2023-11-12 00:50:28,928 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] [2023-11-12 00:50:28,935 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] [2023-11-12 00:50:28,937 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] [2023-11-12 00:50:28,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6461] [2023-11-12 00:50:28,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6470] [2023-11-12 00:50:29,068 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] [2023-11-12 00:50:29,157 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] [2023-11-12 00:50:29,158 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] [2023-11-12 00:50:29,159 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] [2023-11-12 00:50:29,161 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] [2023-11-12 00:50:29,161 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] [2023-11-12 00:50:29,162 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] [2023-11-12 00:50:29,162 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] [2023-11-12 00:50:29,162 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] [2023-11-12 00:50:29,163 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] [2023-11-12 00:50:29,163 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] [2023-11-12 00:50:29,187 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] [2023-11-12 00:50:29,188 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] [2023-11-12 00:50:29,188 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] [2023-11-12 00:50:29,189 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] [2023-11-12 00:50:29,189 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] [2023-11-12 00:50:29,191 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] [2023-11-12 00:50:29,191 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] [2023-11-12 00:50:29,192 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] [2023-11-12 00:50:29,192 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] [2023-11-12 00:50:29,193 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] [2023-11-12 00:50:29,194 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] [2023-11-12 00:50:29,195 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] [2023-11-12 00:50:29,195 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] [2023-11-12 00:50:29,195 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] [2023-11-12 00:50:29,197 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] [2023-11-12 00:50:29,197 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] [2023-11-12 00:50:29,198 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] [2023-11-12 00:50:29,199 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] [2023-11-12 00:50:29,201 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] [2023-11-12 00:50:29,201 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] [2023-11-12 00:50:29,201 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] [2023-11-12 00:50:29,202 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] [2023-11-12 00:50:29,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:29,838 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:29,838 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:29,838 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:29,846 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:50:29,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29 WrapperNode [2023-11-12 00:50:29,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:29,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:29,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:50:29,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:50:29,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,449 INFO L138 Inliner]: procedures = 746, calls = 3828, calls flagged for inlining = 396, calls inlined = 313, statements flattened = 9748 [2023-11-12 00:50:30,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:30,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:50:30,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:50:30,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:50:30,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:30,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:50:30,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:50:30,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:50:30,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:50:30,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (1/1) ... [2023-11-12 00:50:31,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:31,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:50:31,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:50:31,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6e1105-11e8-4aea-93e0-332607c949e1/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:50:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-12 00:50:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-12 00:50:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-11-12 00:50:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-11-12 00:50:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2023-11-12 00:50:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2023-11-12 00:50:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-11-12 00:50:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-11-12 00:50:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_info [2023-11-12 00:50:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_info [2023-11-12 00:50:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure mega_adapinq [2023-11-12 00:50:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_adapinq [2023-11-12 00:50:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-11-12 00:50:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-11-12 00:50:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-12 00:50:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-12 00:50:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_inquiry [2023-11-12 00:50:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_inquiry [2023-11-12 00:50:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2023-11-12 00:50:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2023-11-12 00:50:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:50:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:50:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-12 00:50:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-12 00:50:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:50:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:50:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2023-11-12 00:50:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2023-11-12 00:50:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:50:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:50:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:50:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:50:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-11-12 00:50:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-11-12 00:50:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-11-12 00:50:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-11-12 00:50:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure megadev_unlocked_ioctl [2023-11-12 00:50:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure megadev_unlocked_ioctl [2023-11-12 00:50:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:50:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:50:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2023-11-12 00:50:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2023-11-12 00:50:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:50:31,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:50:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:50:31,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:50:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-12 00:50:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-12 00:50:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2023-11-12 00:50:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2023-11-12 00:50:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:50:31,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:50:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-11-12 00:50:31,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-11-12 00:50:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:50:31,095 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:50:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:50:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-11-12 00:50:31,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-11-12 00:50:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2023-11-12 00:50:31,096 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2023-11-12 00:50:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:50:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 00:50:31,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 00:50:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:50:31,098 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:50:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2023-11-12 00:50:31,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2023-11-12 00:50:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-12 00:50:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-12 00:50:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:50:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-11-12 00:50:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-11-12 00:50:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:50:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:50:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-12 00:50:31,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-12 00:50:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:50:31,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-11-12 00:50:31,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-11-12 00:50:31,104 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:50:31,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:50:31,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 00:50:31,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 00:50:31,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:50:31,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:50:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-11-12 00:50:31,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-11-12 00:50:31,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:50:31,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:50:31,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:50:31,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:50:31,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-12 00:50:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-12 00:50:31,114 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2023-11-12 00:50:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2023-11-12 00:50:31,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-11-12 00:50:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-11-12 00:50:31,114 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 00:50:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 00:50:31,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:50:31,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-11-12 00:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-11-12 00:50:31,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:50:31,115 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 00:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 00:50:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-12 00:50:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-12 00:50:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2023-11-12 00:50:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2023-11-12 00:50:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2023-11-12 00:50:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2023-11-12 00:50:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:50:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-12 00:50:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-12 00:50:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2023-11-12 00:50:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2023-11-12 00:50:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-12 00:50:31,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-12 00:50:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:50:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-11-12 00:50:31,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-11-12 00:50:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:50:31,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:50:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:50:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:50:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2023-11-12 00:50:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2023-11-12 00:50:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:50:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:50:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:50:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:50:31,120 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-12 00:50:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-12 00:50:31,120 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2023-11-12 00:50:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2023-11-12 00:50:31,120 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-12 00:50:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-12 00:50:31,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:50:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:50:31,121 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2023-11-12 00:50:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2023-11-12 00:50:31,121 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-12 00:50:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-12 00:50:31,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-11-12 00:50:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-11-12 00:50:31,121 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-12 00:50:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-12 00:50:31,122 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:50:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:50:31,122 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_rdrv [2023-11-12 00:50:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_rdrv [2023-11-12 00:50:31,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:50:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:50:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-12 00:50:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-12 00:50:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:50:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:50:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:50:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:50:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_inquiry [2023-11-12 00:50:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_inquiry [2023-11-12 00:50:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2023-11-12 00:50:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2023-11-12 00:50:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:50:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:50:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_pdrv [2023-11-12 00:50:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_pdrv [2023-11-12 00:50:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-12 00:50:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-12 00:50:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-12 00:50:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-12 00:50:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-12 00:50:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-12 00:50:31,126 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-12 00:50:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-12 00:50:31,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-12 00:50:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-12 00:50:31,126 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2023-11-12 00:50:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2023-11-12 00:50:31,126 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:50:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:50:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:50:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:50:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2023-11-12 00:50:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2023-11-12 00:50:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2023-11-12 00:50:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2023-11-12 00:50:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-12 00:50:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-12 00:50:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:50:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:50:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-11-12 00:50:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-11-12 00:50:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-11-12 00:50:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-11-12 00:50:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:50:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_reset [2023-11-12 00:50:31,129 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_reset [2023-11-12 00:50:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:50:31,129 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:50:31,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-12 00:50:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-12 00:50:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:50:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue [2023-11-12 00:50:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue [2023-11-12 00:50:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_biosparam [2023-11-12 00:50:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_biosparam [2023-11-12 00:50:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_remove_one [2023-11-12 00:50:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_remove_one [2023-11-12 00:50:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:50:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:50:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:50:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 00:50:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 00:50:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:50:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:50:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:50:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:50:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-12 00:50:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-12 00:50:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-12 00:50:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-12 00:50:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 00:50:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 00:50:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:50:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:50:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:50:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:50:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure seq_write [2023-11-12 00:50:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_write [2023-11-12 00:50:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2023-11-12 00:50:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2023-11-12 00:50:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:50:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:50:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2023-11-12 00:50:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2023-11-12 00:50:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-12 00:50:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-12 00:50:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:50:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:50:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-11-12 00:50:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-11-12 00:50:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-11-12 00:50:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-11-12 00:50:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-12 00:50:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-12 00:50:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 00:50:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 00:50:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:50:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:50:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:50:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:50:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:50:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-12 00:50:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-12 00:50:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-12 00:50:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-12 00:50:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:50:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:50:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:50:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:50:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-12 00:50:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-12 00:50:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 00:50:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 00:50:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2023-11-12 00:50:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2023-11-12 00:50:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:50:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:50:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-12 00:50:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-12 00:50:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:50:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:50:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:50:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-12 00:50:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-12 00:50:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-11-12 00:50:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-11-12 00:50:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2023-11-12 00:50:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2023-11-12 00:50:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort [2023-11-12 00:50:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort [2023-11-12 00:50:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-12 00:50:31,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-12 00:50:32,410 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:50:32,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:50:32,748 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:50:36,279 INFO L770 $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; [2023-11-12 00:50:41,571 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:50:45,586 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:50:45,586 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-12 00:50:45,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:45 BoogieIcfgContainer [2023-11-12 00:50:45,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:50:45,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:50:45,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:50:45,603 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:50:45,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:50:22" (1/3) ... [2023-11-12 00:50:45,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f89fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:45, skipping insertion in model container [2023-11-12 00:50:45,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:29" (2/3) ... [2023-11-12 00:50:45,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f89fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:45, skipping insertion in model container [2023-11-12 00:50:45,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:45" (3/3) ... [2023-11-12 00:50:45,608 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2023-11-12 00:50:45,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:50:45,630 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 126 error locations. [2023-11-12 00:50:45,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:50:45,769 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;@abff039, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:50:45,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 126 error locations. [2023-11-12 00:50:45,788 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) [2023-11-12 00:50:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 00:50:45,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:45,826 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] [2023-11-12 00:50:45,826 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)] === [2023-11-12 00:50:45,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:45,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1237147723, now seen corresponding path program 1 times [2023-11-12 00:50:45,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:50:45,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100310341] [2023-11-12 00:50:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:45,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:50:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:48,102 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-12 00:50:48,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:50:48,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100310341] [2023-11-12 00:50:48,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100310341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:48,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:48,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:50:48,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591663249] [2023-11-12 00:50:48,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:48,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:50:48,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:50:48,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:50:48,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:50:48,175 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) [2023-11-12 00:50:50,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:54,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:50:54,295 INFO L93 Difference]: Finished difference Result 7776 states and 11456 transitions. [2023-11-12 00:50:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:50:54,298 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 [2023-11-12 00:50:54,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:50:54,360 INFO L225 Difference]: With dead ends: 7776 [2023-11-12 00:50:54,360 INFO L226 Difference]: Without dead ends: 4785 [2023-11-12 00:50:54,391 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 [2023-11-12 00:50:54,395 INFO L413 NwaCegarLoop]: 4687 mSDtfsCounter, 3636 mSDsluCounter, 3276 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 7963 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:50:54,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 7963 Invalid, 1017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-12 00:50:54,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4785 states. [2023-11-12 00:50:54,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4785 to 4686. [2023-11-12 00:50:54,841 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) [2023-11-12 00:50:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4686 states to 4686 states and 6826 transitions. [2023-11-12 00:50:54,905 INFO L78 Accepts]: Start accepts. Automaton has 4686 states and 6826 transitions. Word has length 134 [2023-11-12 00:50:54,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:50:54,910 INFO L495 AbstractCegarLoop]: Abstraction has 4686 states and 6826 transitions. [2023-11-12 00:50:54,910 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) [2023-11-12 00:50:54,911 INFO L276 IsEmpty]: Start isEmpty. Operand 4686 states and 6826 transitions. [2023-11-12 00:50:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 00:50:54,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:54,929 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] [2023-11-12 00:50:54,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:50:54,930 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)] === [2023-11-12 00:50:54,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:54,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1691267393, now seen corresponding path program 1 times [2023-11-12 00:50:54,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:50:54,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282044403] [2023-11-12 00:50:54,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:54,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:50:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-11-12 00:50:56,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:50:56,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282044403] [2023-11-12 00:50:56,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282044403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:56,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:56,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:50:56,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832124975] [2023-11-12 00:50:56,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:56,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:50:56,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:50:56,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:50:56,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:50:56,648 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) [2023-11-12 00:51:00,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:02,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []