./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:20,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:20,268 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:25:20,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:20,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:20,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:20,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:20,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:20,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:20,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:20,323 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:20,323 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:20,324 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:20,324 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:25:20,325 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:20,325 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:20,325 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:25:20,326 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:25:20,326 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:20,327 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:25:20,327 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:25:20,328 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:25:20,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:20,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:20,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:25:20,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:20,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:20,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:20,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:20,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:20,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:20,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:20,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:20,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:20,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:20,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:20,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:20,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:20,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:20,335 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:25:20,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:25:20,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:20,340 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:20,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:20,340 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_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 [2024-11-02 11:25:20,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:20,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:20,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:20,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:20,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:20,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 11:25:22,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:23,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:23,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-11-02 11:25:23,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/data/3987d7720/d867b7bee3924638988e3ebae55abc3c/FLAG6a5dad481 [2024-11-02 11:25:23,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/data/3987d7720/d867b7bee3924638988e3ebae55abc3c [2024-11-02 11:25:23,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:23,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:23,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:23,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:23,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:23,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:23" (1/1) ... [2024-11-02 11:25:23,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34527d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:23, skipping insertion in model container [2024-11-02 11:25:23,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:23" (1/1) ... [2024-11-02 11:25:24,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:26,007 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2024-11-02 11:25:26,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:26,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:26,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3942] [2024-11-02 11:25:26,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3949] [2024-11-02 11:25:26,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3956] [2024-11-02 11:25:26,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3964-3965] [2024-11-02 11:25:26,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3974] [2024-11-02 11:25:26,368 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" (831), "i" (12UL)); [4041-4042] [2024-11-02 11:25:26,368 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4047-4049] [2024-11-02 11:25:26,370 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" (836), "i" (12UL)); [4071-4072] [2024-11-02 11:25:26,373 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.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4077-4079] [2024-11-02 11:25:26,374 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" (841), "i" (12UL)); [4100-4101] [2024-11-02 11:25:26,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4106-4108] [2024-11-02 11:25:26,390 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" (90), "i" (12UL)); [4417-4418] [2024-11-02 11:25:26,391 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" (92), "i" (12UL)); [4425-4426] [2024-11-02 11:25:26,391 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" (93), "i" (12UL)); [4433-4434] [2024-11-02 11:25:26,393 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" (123), "i" (12UL)); [4460-4461] [2024-11-02 11:25:26,393 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" (124), "i" (12UL)); [4468-4469] [2024-11-02 11:25:26,394 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" (193), "i" (12UL)); [4483-4484] [2024-11-02 11:25:26,443 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (464), "i" (12UL)); [5073-5074] [2024-11-02 11:25:26,450 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (577), "i" (12UL)); [5187-5188] [2024-11-02 11:25:26,457 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (653), "i" (12UL)); [5278-5279] [2024-11-02 11:25:26,459 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (676), "i" (12UL)); [5315-5316] [2024-11-02 11:25:26,468 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (719), "i" (12UL)); [5367-5368] [2024-11-02 11:25:26,493 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (953), "i" (12UL)); [5680-5681] [2024-11-02 11:25:26,498 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (1004), "i" (12UL)); [5753-5754] [2024-11-02 11:25:26,516 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (1262), "i" (12UL)); [6134-6135] [2024-11-02 11:25:26,693 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2024-11-02 11:25:26,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:26,815 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:26,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26 WrapperNode [2024-11-02 11:25:26,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:26,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:26,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:26,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:26,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:26,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,189 INFO L138 Inliner]: procedures = 308, calls = 1840, calls flagged for inlining = 110, calls inlined = 101, statements flattened = 4286 [2024-11-02 11:25:27,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:27,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:27,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:27,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:27,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:27,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:27,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:27,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:27,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:27,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:27,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:27,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:27,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada1341d-a080-4d32-9c57-831e27a869fd/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-02 11:25:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-02 11:25:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_memstick_host [2024-11-02 11:25:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_memstick_host [2024-11-02 11:25:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-02 11:25:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-02 11:25:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:25:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 11:25:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 11:25:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 11:25:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 11:25:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2024-11-02 11:25:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2024-11-02 11:25:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2024-11-02 11:25:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2024-11-02 11:25:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-02 11:25:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-02 11:25:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 11:25:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 11:25:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2024-11-02 11:25:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2024-11-02 11:25:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-02 11:25:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-02 11:25:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-02 11:25:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-02 11:25:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-02 11:25:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-02 11:25:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 11:25:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 11:25:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2024-11-02 11:25:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2024-11-02 11:25:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 11:25:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 11:25:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:25:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:25:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2024-11-02 11:25:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2024-11-02 11:25:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-02 11:25:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-02 11:25:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure msb_verify_block [2024-11-02 11:25:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_verify_block [2024-11-02 11:25:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-02 11:25:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-02 11:25:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2024-11-02 11:25:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2024-11-02 11:25:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_msb_disk_lock [2024-11-02 11:25:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_msb_disk_lock [2024-11-02 11:25:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:25:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_write [2024-11-02 11:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_write [2024-11-02 11:25:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-02 11:25:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-02 11:25:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2024-11-02 11:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2024-11-02 11:25:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request [2024-11-02 11:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request [2024-11-02 11:25:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:25:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-11-02 11:25:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-11-02 11:25:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2024-11-02 11:25:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2024-11-02 11:25:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure msb_io_work [2024-11-02 11:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_io_work [2024-11-02 11:25:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-02 11:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-02 11:25:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2024-11-02 11:25:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2024-11-02 11:25:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:25:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2024-11-02 11:25:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2024-11-02 11:25:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:25:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 11:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 11:25:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2024-11-02 11:25:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2024-11-02 11:25:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2024-11-02 11:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2024-11-02 11:25:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-02 11:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-02 11:25:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-02 11:25:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-02 11:25:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-02 11:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-02 11:25:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-02 11:25:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-02 11:25:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-02 11:25:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-02 11:25:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2024-11-02 11:25:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2024-11-02 11:25:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure msb_update_block [2024-11-02 11:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_update_block [2024-11-02 11:25:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_flush [2024-11-02 11:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_flush [2024-11-02 11:25:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2024-11-02 11:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2024-11-02 11:25:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-11-02 11:25:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-11-02 11:25:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2024-11-02 11:25:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2024-11-02 11:25:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2024-11-02 11:25:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2024-11-02 11:25:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure msb_sg_copy [2024-11-02 11:25:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_sg_copy [2024-11-02 11:25:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-11-02 11:25:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-11-02 11:25:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-02 11:25:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-02 11:25:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2024-11-02 11:25:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2024-11-02 11:25:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:25:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_memstick_host [2024-11-02 11:25:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_memstick_host [2024-11-02 11:25:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:25:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-02 11:25:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-02 11:25:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2024-11-02 11:25:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2024-11-02 11:25:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2024-11-02 11:25:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2024-11-02 11:25:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2024-11-02 11:25:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2024-11-02 11:25:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2024-11-02 11:25:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2024-11-02 11:25:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 11:25:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 11:25:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-02 11:25:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-02 11:25:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure msb_bd_getgeo [2024-11-02 11:25:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_bd_getgeo [2024-11-02 11:25:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:25:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2024-11-02 11:25:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2024-11-02 11:25:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 11:25:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 11:25:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2024-11-02 11:25:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2024-11-02 11:25:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2024-11-02 11:25:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2024-11-02 11:25:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-02 11:25:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-02 11:25:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:25:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2024-11-02 11:25:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2024-11-02 11:25:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-02 11:25:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-02 11:25:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2024-11-02 11:25:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2024-11-02 11:25:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:25:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2024-11-02 11:25:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2024-11-02 11:25:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2024-11-02 11:25:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2024-11-02 11:25:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2024-11-02 11:25:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2024-11-02 11:25:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2024-11-02 11:25:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2024-11-02 11:25:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2024-11-02 11:25:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2024-11-02 11:25:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-11-02 11:25:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-11-02 11:25:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2024-11-02 11:25:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2024-11-02 11:25:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2024-11-02 11:25:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2024-11-02 11:25:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2024-11-02 11:25:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2024-11-02 11:25:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-02 11:25:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-02 11:25:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2024-11-02 11:25:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2024-11-02 11:25:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-02 11:25:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-02 11:25:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-02 11:25:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-02 11:25:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2024-11-02 11:25:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2024-11-02 11:25:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2024-11-02 11:25:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2024-11-02 11:25:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2024-11-02 11:25:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2024-11-02 11:25:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-02 11:25:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-02 11:25:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:25:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2024-11-02 11:25:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2024-11-02 11:25:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-11-02 11:25:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-11-02 11:25:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_msb_disk_lock [2024-11-02 11:25:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_msb_disk_lock [2024-11-02 11:25:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:27,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:28,367 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:28,372 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:28,810 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 11:25:36,044 INFO L? ?]: Removed 1464 outVars from TransFormulas that were not future-live. [2024-11-02 11:25:36,044 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:37,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:37,332 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:25:37,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:37 BoogieIcfgContainer [2024-11-02 11:25:37,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:37,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:37,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:37,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:37,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:23" (1/3) ... [2024-11-02 11:25:37,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b15e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:37, skipping insertion in model container [2024-11-02 11:25:37,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26" (2/3) ... [2024-11-02 11:25:37,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b15e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:37, skipping insertion in model container [2024-11-02 11:25:37,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:37" (3/3) ... [2024-11-02 11:25:37,345 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-11-02 11:25:37,367 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:37,368 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:25:37,544 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:37,552 INFO L333 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, 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;@828e92e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:37,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:25:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 1441 states, 911 states have (on average 1.3578485181119648) internal successors, (1237), 954 states have internal predecessors, (1237), 440 states have call successors, (440), 89 states have call predecessors, (440), 88 states have return successors, (434), 428 states have call predecessors, (434), 434 states have call successors, (434) [2024-11-02 11:25:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-02 11:25:37,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:37,587 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:37,588 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:25:37,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:37,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1796563322, now seen corresponding path program 1 times [2024-11-02 11:25:37,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:37,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023480829] [2024-11-02 11:25:37,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:37,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-02 11:25:40,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023480829] [2024-11-02 11:25:40,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023480829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:40,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:40,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:40,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813208019] [2024-11-02 11:25:40,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:40,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:25:40,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:40,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:25:40,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:25:40,656 INFO L87 Difference]: Start difference. First operand has 1441 states, 911 states have (on average 1.3578485181119648) internal successors, (1237), 954 states have internal predecessors, (1237), 440 states have call successors, (440), 89 states have call predecessors, (440), 88 states have return successors, (434), 428 states have call predecessors, (434), 434 states have call successors, (434) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-02 11:25:42,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:25:46,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:46,577 INFO L93 Difference]: Finished difference Result 4261 states and 6275 transitions. [2024-11-02 11:25:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:25:46,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 66 [2024-11-02 11:25:46,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:46,633 INFO L225 Difference]: With dead ends: 4261 [2024-11-02 11:25:46,633 INFO L226 Difference]: Without dead ends: 2794 [2024-11-02 11:25:46,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:25:46,657 INFO L432 NwaCegarLoop]: 1970 mSDtfsCounter, 2048 mSDsluCounter, 1908 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 3878 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:46,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 3878 Invalid, 348 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-02 11:25:46,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2024-11-02 11:25:46,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2775. [2024-11-02 11:25:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 1758 states have (on average 1.3407281001137656) internal successors, (2357), 1822 states have internal predecessors, (2357), 844 states have call successors, (844), 173 states have call predecessors, (844), 172 states have return successors, (835), 821 states have call predecessors, (835), 835 states have call successors, (835) [2024-11-02 11:25:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 4036 transitions. [2024-11-02 11:25:46,995 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 4036 transitions. Word has length 66 [2024-11-02 11:25:46,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:46,997 INFO L471 AbstractCegarLoop]: Abstraction has 2775 states and 4036 transitions. [2024-11-02 11:25:46,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-02 11:25:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 4036 transitions. [2024-11-02 11:25:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-02 11:25:47,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:47,002 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:47,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:25:47,003 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:25:47,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:47,004 INFO L85 PathProgramCache]: Analyzing trace with hash 190663876, now seen corresponding path program 1 times [2024-11-02 11:25:47,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:47,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233942076] [2024-11-02 11:25:47,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:47,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-02 11:25:49,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:49,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233942076] [2024-11-02 11:25:49,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233942076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:49,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:49,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:49,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629051770] [2024-11-02 11:25:49,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:49,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:25:49,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:49,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:25:49,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:25:49,515 INFO L87 Difference]: Start difference. First operand 2775 states and 4036 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)