./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 cf1a7837 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_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.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_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:35,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:36,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:06:36,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:36,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:36,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:36,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:36,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:36,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:06:36,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:06:36,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:36,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:36,073 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:36,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:36,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:06:36,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:06:36,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:36,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:06:36,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:06:36,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:06:36,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:36,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:36,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:36,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:36,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:06:36,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:36,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:36,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:06:36,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:06:36,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:06:36,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:06:36,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:06:36,084 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:06:36,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:06:36,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:06:36,084 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:06:36,085 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 [2023-11-12 02:06:36,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:36,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:36,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:36,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:36,380 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:36,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/../../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 [2023-11-12 02:06:39,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:06:40,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:06:40,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/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 [2023-11-12 02:06:40,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/data/2741b9c83/a5a21fe6e30b4ec4b8199a01f12a50f1/FLAGa0aaf8847 [2023-11-12 02:06:40,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/data/2741b9c83/a5a21fe6e30b4ec4b8199a01f12a50f1 [2023-11-12 02:06:40,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:06:40,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:06:40,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:40,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:06:40,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:06:40,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb06e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40, skipping insertion in model container [2023-11-12 02:06:40,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:06:42,449 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/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] [2023-11-12 02:06:42,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:42,741 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:06:42,902 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] [2023-11-12 02:06:42,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3949] [2023-11-12 02:06:42,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3956] [2023-11-12 02:06:42,905 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] [2023-11-12 02:06:42,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3974] [2023-11-12 02:06:42,910 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] [2023-11-12 02:06:42,910 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] [2023-11-12 02:06:42,912 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] [2023-11-12 02:06:42,912 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] [2023-11-12 02:06:42,914 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] [2023-11-12 02:06:42,914 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] [2023-11-12 02:06:42,931 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] [2023-11-12 02:06:42,932 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] [2023-11-12 02:06:42,932 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] [2023-11-12 02:06:42,935 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/linux/scatterlist.h"), "i" (123), "i" (12UL)); [4460-4461] [2023-11-12 02:06:42,936 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] [2023-11-12 02:06:42,938 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] [2023-11-12 02:06:42,982 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] [2023-11-12 02:06:42,992 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] [2023-11-12 02:06:42,998 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] [2023-11-12 02:06:43,001 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] [2023-11-12 02:06:43,011 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] [2023-11-12 02:06:43,040 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] [2023-11-12 02:06:43,046 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] [2023-11-12 02:06:43,070 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] [2023-11-12 02:06:43,229 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/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] [2023-11-12 02:06:43,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:43,421 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,421 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,429 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:06:43,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43 WrapperNode [2023-11-12 02:06:43,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:43,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:43,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:06:43,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:06:43,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,793 INFO L138 Inliner]: procedures = 306, calls = 1857, calls flagged for inlining = 110, calls inlined = 101, statements flattened = 4124 [2023-11-12 02:06:43,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:43,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:06:43,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:06:43,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:06:43,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:44,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:44,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:44,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:06:44,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:06:44,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:06:44,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:06:44,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:44,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:44,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e8788-0e3d-4112-aee6-01d958e7f9fe/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:06:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 02:06:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 02:06:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_memstick_host [2023-11-12 02:06:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_memstick_host [2023-11-12 02:06:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 02:06:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 02:06:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:06:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:06:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:06:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:06:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2023-11-12 02:06:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2023-11-12 02:06:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2023-11-12 02:06:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2023-11-12 02:06:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-12 02:06:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-12 02:06:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:06:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:06:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2023-11-12 02:06:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2023-11-12 02:06:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-12 02:06:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-12 02:06:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 02:06:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 02:06:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:06:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:06:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:06:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:06:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2023-11-12 02:06:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2023-11-12 02:06:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:06:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:06:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:06:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:06:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2023-11-12 02:06:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2023-11-12 02:06:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-12 02:06:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-12 02:06:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure msb_verify_block [2023-11-12 02:06:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_verify_block [2023-11-12 02:06:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:06:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:06:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-12 02:06:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-12 02:06:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_msb_disk_lock [2023-11-12 02:06:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_msb_disk_lock [2023-11-12 02:06:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:06:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:06:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_write [2023-11-12 02:06:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_write [2023-11-12 02:06:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 02:06:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 02:06:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 02:06:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2023-11-12 02:06:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2023-11-12 02:06:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request [2023-11-12 02:06:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request [2023-11-12 02:06:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:06:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-12 02:06:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-12 02:06:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2023-11-12 02:06:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2023-11-12 02:06:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure msb_io_work [2023-11-12 02:06:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_io_work [2023-11-12 02:06:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:06:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:06:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2023-11-12 02:06:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2023-11-12 02:06:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:06:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2023-11-12 02:06:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2023-11-12 02:06:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:06:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:06:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:06:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2023-11-12 02:06:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2023-11-12 02:06:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2023-11-12 02:06:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2023-11-12 02:06:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:06:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:06:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-12 02:06:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-12 02:06:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:06:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:06:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-12 02:06:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-12 02:06:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:06:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:06:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2023-11-12 02:06:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2023-11-12 02:06:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure msb_update_block [2023-11-12 02:06:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_update_block [2023-11-12 02:06:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_flush [2023-11-12 02:06:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_flush [2023-11-12 02:06:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2023-11-12 02:06:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2023-11-12 02:06:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-12 02:06:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-12 02:06:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2023-11-12 02:06:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2023-11-12 02:06:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2023-11-12 02:06:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2023-11-12 02:06:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure msb_sg_copy [2023-11-12 02:06:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_sg_copy [2023-11-12 02:06:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-12 02:06:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-12 02:06:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:06:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:06:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2023-11-12 02:06:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2023-11-12 02:06:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_memstick_host [2023-11-12 02:06:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_memstick_host [2023-11-12 02:06:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:06:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 02:06:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 02:06:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2023-11-12 02:06:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2023-11-12 02:06:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2023-11-12 02:06:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2023-11-12 02:06:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-11-12 02:06:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-11-12 02:06:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2023-11-12 02:06:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2023-11-12 02:06:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:06:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:06:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-11-12 02:06:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-11-12 02:06:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure msb_bd_getgeo [2023-11-12 02:06:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_bd_getgeo [2023-11-12 02:06:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:06:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2023-11-12 02:06:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2023-11-12 02:06:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:06:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:06:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-12 02:06:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-12 02:06:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2023-11-12 02:06:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2023-11-12 02:06:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:06:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-11-12 02:06:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-11-12 02:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:06:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:06:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2023-11-12 02:06:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2023-11-12 02:06:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:06:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2023-11-12 02:06:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2023-11-12 02:06:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-11-12 02:06:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-11-12 02:06:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2023-11-12 02:06:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2023-11-12 02:06:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2023-11-12 02:06:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2023-11-12 02:06:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2023-11-12 02:06:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2023-11-12 02:06:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-12 02:06:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-12 02:06:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2023-11-12 02:06:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2023-11-12 02:06:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2023-11-12 02:06:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2023-11-12 02:06:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2023-11-12 02:06:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2023-11-12 02:06:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:06:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:06:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2023-11-12 02:06:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2023-11-12 02:06:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 02:06:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 02:06:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-12 02:06:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-12 02:06:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-12 02:06:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-12 02:06:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2023-11-12 02:06:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2023-11-12 02:06:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-12 02:06:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-12 02:06:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:06:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:06:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:06:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2023-11-12 02:06:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2023-11-12 02:06:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-12 02:06:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-12 02:06:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_msb_disk_lock [2023-11-12 02:06:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_msb_disk_lock [2023-11-12 02:06:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:06:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:06:44,854 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:06:44,863 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:06:45,174 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:06:48,832 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:06:48,860 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:06:48,861 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:06:48,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:48 BoogieIcfgContainer [2023-11-12 02:06:48,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:06:48,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:06:48,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:06:48,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:06:48,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:06:40" (1/3) ... [2023-11-12 02:06:48,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4d9855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:48, skipping insertion in model container [2023-11-12 02:06:48,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (2/3) ... [2023-11-12 02:06:48,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4d9855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:48, skipping insertion in model container [2023-11-12 02:06:48,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:48" (3/3) ... [2023-11-12 02:06:48,881 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2023-11-12 02:06:48,906 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:06:48,906 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:06:49,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:06:49,033 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=PETRI_NET, 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;@59a365d1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:06:49,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:06:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 1702 states, 1172 states have (on average 1.3643344709897611) internal successors, (1599), 1216 states have internal predecessors, (1599), 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) [2023-11-12 02:06:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-12 02:06:49,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:49,065 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1] [2023-11-12 02:06:49,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:49,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:49,072 INFO L85 PathProgramCache]: Analyzing trace with hash -601773388, now seen corresponding path program 1 times [2023-11-12 02:06:49,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:49,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889398518] [2023-11-12 02:06:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:49,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:06:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:06:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:06:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:06:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:06:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-12 02:06:49,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:49,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889398518] [2023-11-12 02:06:49,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889398518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:49,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:49,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:06:49,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026735812] [2023-11-12 02:06:49,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:49,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:06:49,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:50,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:06:50,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:06:50,047 INFO L87 Difference]: Start difference. First operand has 1702 states, 1172 states have (on average 1.3643344709897611) internal successors, (1599), 1216 states have internal predecessors, (1599), 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 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 02:06:56,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:56,018 INFO L93 Difference]: Finished difference Result 3758 states and 5659 transitions. [2023-11-12 02:06:56,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:06:56,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2023-11-12 02:06:56,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:56,097 INFO L225 Difference]: With dead ends: 3758 [2023-11-12 02:06:56,098 INFO L226 Difference]: Without dead ends: 2034 [2023-11-12 02:06:56,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:06:56,129 INFO L413 NwaCegarLoop]: 1881 mSDtfsCounter, 1359 mSDsluCounter, 1976 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 1307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1424 SdHoareTripleChecker+Valid, 3857 SdHoareTripleChecker+Invalid, 3289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1307 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:56,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1424 Valid, 3857 Invalid, 3289 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1307 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-12 02:06:56,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2023-11-12 02:06:56,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1677. [2023-11-12 02:06:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 1155 states have (on average 1.348051948051948) internal successors, (1557), 1191 states have internal predecessors, (1557), 434 states have call successors, (434), 88 states have call predecessors, (434), 87 states have return successors, (425), 419 states have call predecessors, (425), 425 states have call successors, (425) [2023-11-12 02:06:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2416 transitions. [2023-11-12 02:06:56,425 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2416 transitions. Word has length 84 [2023-11-12 02:06:56,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:56,426 INFO L495 AbstractCegarLoop]: Abstraction has 1677 states and 2416 transitions. [2023-11-12 02:06:56,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 02:06:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2416 transitions. [2023-11-12 02:06:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-12 02:06:56,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:56,439 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1] [2023-11-12 02:06:56,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:06:56,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:56,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:56,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1251898696, now seen corresponding path program 1 times [2023-11-12 02:06:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:56,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550252305] [2023-11-12 02:06:56,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:06:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:06:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:06:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:06:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:06:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-12 02:06:56,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:56,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550252305] [2023-11-12 02:06:56,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550252305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:56,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:56,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:06:56,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940603084] [2023-11-12 02:06:56,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:56,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:06:56,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:56,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:06:56,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:06:56,940 INFO L87 Difference]: Start difference. First operand 1677 states and 2416 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-12 02:07:06,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:06,394 INFO L93 Difference]: Finished difference Result 5665 states and 8401 transitions. [2023-11-12 02:07:06,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:07:06,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 5 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 84 [2023-11-12 02:07:06,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:06,431 INFO L225 Difference]: With dead ends: 5665 [2023-11-12 02:07:06,432 INFO L226 Difference]: Without dead ends: 4008 [2023-11-12 02:07:06,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:07:06,444 INFO L413 NwaCegarLoop]: 1855 mSDtfsCounter, 4281 mSDsluCounter, 4520 mSDsCounter, 0 mSdLazyCounter, 3522 mSolverCounterSat, 2720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4645 SdHoareTripleChecker+Valid, 6375 SdHoareTripleChecker+Invalid, 6242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2720 IncrementalHoareTripleChecker+Valid, 3522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:06,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4645 Valid, 6375 Invalid, 6242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2720 Valid, 3522 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-12 02:07:06,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2023-11-12 02:07:06,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 3275. [2023-11-12 02:07:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3275 states, 2258 states have (on average 1.3489813994685562) internal successors, (3046), 2324 states have internal predecessors, (3046), 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) [2023-11-12 02:07:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 3275 states and 4725 transitions. [2023-11-12 02:07:06,695 INFO L78 Accepts]: Start accepts. Automaton has 3275 states and 4725 transitions. Word has length 84 [2023-11-12 02:07:06,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:06,696 INFO L495 AbstractCegarLoop]: Abstraction has 3275 states and 4725 transitions. [2023-11-12 02:07:06,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-12 02:07:06,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 4725 transitions. [2023-11-12 02:07:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 02:07:06,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:06,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:06,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:07:06,699 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:06,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:06,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1050127579, now seen corresponding path program 1 times [2023-11-12 02:07:06,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:06,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152838292] [2023-11-12 02:07:06,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:06,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:07:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:07:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:06,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:07:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:06,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:06,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:07:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:07,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:07:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:07:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:07:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-12 02:07:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:07,066 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-12 02:07:07,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:07,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152838292] [2023-11-12 02:07:07,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152838292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:07,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:07,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:07:07,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709848733] [2023-11-12 02:07:07,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:07,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:07:07,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:07,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:07:07,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:07:07,070 INFO L87 Difference]: Start difference. First operand 3275 states and 4725 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 02:07:15,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:15,008 INFO L93 Difference]: Finished difference Result 11134 states and 16545 transitions. [2023-11-12 02:07:15,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:07:15,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2023-11-12 02:07:15,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:15,084 INFO L225 Difference]: With dead ends: 11134 [2023-11-12 02:07:15,084 INFO L226 Difference]: Without dead ends: 7879 [2023-11-12 02:07:15,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:07:15,111 INFO L413 NwaCegarLoop]: 1905 mSDtfsCounter, 5523 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 4009 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5894 SdHoareTripleChecker+Valid, 4767 SdHoareTripleChecker+Invalid, 6293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4009 IncrementalHoareTripleChecker+Valid, 2284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:15,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5894 Valid, 4767 Invalid, 6293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4009 Valid, 2284 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-11-12 02:07:15,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7879 states. [2023-11-12 02:07:15,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7879 to 6449. [2023-11-12 02:07:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6449 states, 4453 states have (on average 1.3501010554682236) internal successors, (6012), 4574 states have internal predecessors, (6012), 1657 states have call successors, (1657), 339 states have call predecessors, (1657), 338 states have return successors, (1648), 1623 states have call predecessors, (1648), 1648 states have call successors, (1648) [2023-11-12 02:07:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6449 states to 6449 states and 9317 transitions. [2023-11-12 02:07:15,697 INFO L78 Accepts]: Start accepts. Automaton has 6449 states and 9317 transitions. Word has length 89 [2023-11-12 02:07:15,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:15,699 INFO L495 AbstractCegarLoop]: Abstraction has 6449 states and 9317 transitions. [2023-11-12 02:07:15,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 02:07:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 6449 states and 9317 transitions. [2023-11-12 02:07:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-12 02:07:15,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:15,702 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:15,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:07:15,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:15,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:15,703 INFO L85 PathProgramCache]: Analyzing trace with hash -472761228, now seen corresponding path program 1 times [2023-11-12 02:07:15,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:15,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486487384] [2023-11-12 02:07:15,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:15,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:15,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:07:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:15,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:07:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:07:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:07:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:07:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:07:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:07:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-12 02:07:16,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:16,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486487384] [2023-11-12 02:07:16,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486487384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:16,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:16,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:07:16,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488165676] [2023-11-12 02:07:16,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:16,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:07:16,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:16,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:07:16,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:07:16,133 INFO L87 Difference]: Start difference. First operand 6449 states and 9317 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 02:07:22,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:22,114 INFO L93 Difference]: Finished difference Result 7870 states and 11830 transitions. [2023-11-12 02:07:22,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:07:22,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 90 [2023-11-12 02:07:22,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:22,191 INFO L225 Difference]: With dead ends: 7870 [2023-11-12 02:07:22,192 INFO L226 Difference]: Without dead ends: 7867 [2023-11-12 02:07:22,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:07:22,200 INFO L413 NwaCegarLoop]: 1842 mSDtfsCounter, 3360 mSDsluCounter, 2916 mSDsCounter, 0 mSdLazyCounter, 2610 mSolverCounterSat, 1582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3667 SdHoareTripleChecker+Valid, 4758 SdHoareTripleChecker+Invalid, 4192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1582 IncrementalHoareTripleChecker+Valid, 2610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:22,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3667 Valid, 4758 Invalid, 4192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1582 Valid, 2610 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-12 02:07:22,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7867 states. [2023-11-12 02:07:22,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7867 to 6448. [2023-11-12 02:07:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6448 states, 4453 states have (on average 1.34987648776106) internal successors, (6011), 4573 states have internal predecessors, (6011), 1656 states have call successors, (1656), 339 states have call predecessors, (1656), 338 states have return successors, (1648), 1623 states have call predecessors, (1648), 1648 states have call successors, (1648) [2023-11-12 02:07:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6448 states to 6448 states and 9315 transitions. [2023-11-12 02:07:22,808 INFO L78 Accepts]: Start accepts. Automaton has 6448 states and 9315 transitions. Word has length 90 [2023-11-12 02:07:22,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:22,810 INFO L495 AbstractCegarLoop]: Abstraction has 6448 states and 9315 transitions. [2023-11-12 02:07:22,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 02:07:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 6448 states and 9315 transitions. [2023-11-12 02:07:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-12 02:07:22,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:22,818 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:22,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:07:22,819 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:22,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:22,819 INFO L85 PathProgramCache]: Analyzing trace with hash 804584311, now seen corresponding path program 1 times [2023-11-12 02:07:22,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:22,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222575139] [2023-11-12 02:07:22,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:22,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat