./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.5-dev-4a390ef-m [2024-10-24 13:53:48,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:53:48,950 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:53:48,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:53:48,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:53:48,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:53:48,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:53:48,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:53:48,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:53:48,979 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:53:48,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:53:48,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:53:48,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:53:48,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:53:48,981 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:53:48,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:53:48,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:53:48,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:53:48,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:53:48,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:53:48,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:53:48,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:53:48,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:53:48,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:53:48,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:53:48,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:53:48,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:53:48,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:53:48,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:53:48,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:53:48,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:53:48,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:53:48,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:53:48,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:53:48,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:53:48,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:53:48,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:53:48,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:53:48,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:53:48,988 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 [2024-10-24 13:53:49,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:53:49,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:53:49,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:53:49,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:53:49,201 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:53:49,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-10-24 13:53:50,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:53:50,804 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:53:50,804 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-10-24 13:53:50,835 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d72286df/1176cca7892c4bf586aad2b6772f21a8/FLAGf5eb6a40a [2024-10-24 13:53:50,845 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d72286df/1176cca7892c4bf586aad2b6772f21a8 [2024-10-24 13:53:50,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:53:50,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:53:50,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:53:50,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:53:50,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:53:50,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:53:50" (1/1) ... [2024-10-24 13:53:50,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318c17af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:50, skipping insertion in model container [2024-10-24 13:53:50,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:53:50" (1/1) ... [2024-10-24 13:53:50,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:53:52,215 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2024-10-24 13:53:52,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:53:52,346 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:53:52,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3942] [2024-10-24 13:53:52,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3949] [2024-10-24 13:53:52,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3956] [2024-10-24 13:53:52,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3964-3965] [2024-10-24 13:53:52,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3974] [2024-10-24 13:53:52,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [4041-4042] [2024-10-24 13:53:52,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4047-4049] [2024-10-24 13:53:52,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [4071-4072] [2024-10-24 13:53:52,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4077-4079] [2024-10-24 13:53:52,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [4100-4101] [2024-10-24 13:53:52,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4106-4108] [2024-10-24 13:53:52,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (90), "i" (12UL)); [4417-4418] [2024-10-24 13:53:52,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (92), "i" (12UL)); [4425-4426] [2024-10-24 13:53:52,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (93), "i" (12UL)); [4433-4434] [2024-10-24 13:53:52,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [4460-4461] [2024-10-24 13:53:52,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [4468-4469] [2024-10-24 13:53:52,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (193), "i" (12UL)); [4483-4484] [2024-10-24 13:53:52,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (464), "i" (12UL)); [5073-5074] [2024-10-24 13:53:52,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (577), "i" (12UL)); [5187-5188] [2024-10-24 13:53:52,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (653), "i" (12UL)); [5278-5279] [2024-10-24 13:53:52,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (676), "i" (12UL)); [5315-5316] [2024-10-24 13:53:52,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (719), "i" (12UL)); [5367-5368] [2024-10-24 13:53:52,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (953), "i" (12UL)); [5680-5681] [2024-10-24 13:53:52,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (1004), "i" (12UL)); [5753-5754] [2024-10-24 13:53:52,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (1262), "i" (12UL)); [6134-6135] [2024-10-24 13:53:52,634 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2024-10-24 13:53:52,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:53:52,735 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:53:52,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52 WrapperNode [2024-10-24 13:53:52,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:53:52,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:53:52,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:53:52,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:53:52,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:52,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:52,912 INFO L138 Inliner]: procedures = 306, calls = 1844, calls flagged for inlining = 110, calls inlined = 101, statements flattened = 4283 [2024-10-24 13:53:52,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:53:52,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:53:52,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:53:52,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:53:52,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:52,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:52,940 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:53,279 INFO L175 MemorySlicer]: Split 672 memory accesses to 15 slices as follows [4, 2, 21, 555, 1, 8, 4, 0, 3, 10, 6, 33, 7, 16, 2]. 83 percent of accesses are in the largest equivalence class. The 125 initializations are split as follows [0, 2, 21, 58, 0, 0, 0, 0, 0, 0, 0, 28, 0, 16, 0]. The 179 writes are split as follows [1, 0, 0, 162, 1, 0, 1, 0, 0, 5, 4, 0, 4, 0, 1]. [2024-10-24 13:53:53,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:53,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:53,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:53,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:53,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:53,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:53,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:53:53,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:53:53,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:53:53,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:53:53,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (1/1) ... [2024-10-24 13:53:53,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:53:53,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:53:53,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:53:53,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:53:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-10-24 13:53:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-10-24 13:53:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_memstick_host [2024-10-24 13:53:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_memstick_host [2024-10-24 13:53:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-10-24 13:53:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-10-24 13:53:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:53:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 13:53:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 13:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2024-10-24 13:53:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2024-10-24 13:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2024-10-24 13:53:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2024-10-24 13:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-10-24 13:53:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-10-24 13:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:53:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2024-10-24 13:53:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-10-24 13:53:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-10-24 13:53:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-24 13:53:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:53:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2024-10-24 13:53:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 13:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-24 13:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-24 13:53:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 13:53:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 13:53:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 13:53:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 13:53:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 13:53:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 13:53:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 13:53:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 13:53:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 13:53:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 13:53:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 13:53:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 13:53:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-24 13:53:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-24 13:53:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-24 13:53:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:53:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:53:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2024-10-24 13:53:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2024-10-24 13:53:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-24 13:53:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-24 13:53:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure msb_verify_block [2024-10-24 13:53:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_verify_block [2024-10-24 13:53:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 13:53:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 13:53:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2024-10-24 13:53:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2024-10-24 13:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_msb_disk_lock [2024-10-24 13:53:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_msb_disk_lock [2024-10-24 13:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_write [2024-10-24 13:53:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_write [2024-10-24 13:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-10-24 13:53:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-10-24 13:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2024-10-24 13:53:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2024-10-24 13:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request [2024-10-24 13:53:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request [2024-10-24 13:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-10-24 13:53:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2024-10-24 13:53:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure msb_io_work [2024-10-24 13:53:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_io_work [2024-10-24 13:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 13:53:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 13:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2024-10-24 13:53:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2024-10-24 13:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2024-10-24 13:53:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2024-10-24 13:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:53:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:53:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 13:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 13:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 13:53:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 13:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2024-10-24 13:53:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2024-10-24 13:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2024-10-24 13:53:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2024-10-24 13:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-24 13:53:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-24 13:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-10-24 13:53:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-10-24 13:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-24 13:53:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-24 13:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-24 13:53:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-24 13:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-24 13:53:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-24 13:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2024-10-24 13:53:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2024-10-24 13:53:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure msb_update_block [2024-10-24 13:53:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_update_block [2024-10-24 13:53:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_flush [2024-10-24 13:53:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_flush [2024-10-24 13:53:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2024-10-24 13:53:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2024-10-24 13:53:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-10-24 13:53:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-10-24 13:53:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2024-10-24 13:53:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2024-10-24 13:53:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2024-10-24 13:53:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2024-10-24 13:53:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure msb_sg_copy [2024-10-24 13:53:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_sg_copy [2024-10-24 13:53:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-10-24 13:53:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-10-24 13:53:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 13:53:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 13:53:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2024-10-24 13:53:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2024-10-24 13:53:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_memstick_host [2024-10-24 13:53:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_memstick_host [2024-10-24 13:53:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:53:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:53:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:53:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:53:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:53:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-10-24 13:53:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2024-10-24 13:53:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2024-10-24 13:53:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2024-10-24 13:53:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2024-10-24 13:53:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:53:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:53:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-10-24 13:53:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure msb_bd_getgeo [2024-10-24 13:53:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_bd_getgeo [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2024-10-24 13:53:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 13:53:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 13:53:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2024-10-24 13:53:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2024-10-24 13:53:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2024-10-24 13:53:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2024-10-24 13:53:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-24 13:53:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-24 13:53:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:53:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2024-10-24 13:53:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2024-10-24 13:53:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-24 13:53:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-24 13:53:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:53:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2024-10-24 13:53:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2024-10-24 13:53:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:53:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:53:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:53:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:53:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 13:53:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 13:53:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2024-10-24 13:53:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2024-10-24 13:53:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2024-10-24 13:53:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2024-10-24 13:53:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2024-10-24 13:53:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2024-10-24 13:53:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2024-10-24 13:53:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2024-10-24 13:53:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2024-10-24 13:53:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2024-10-24 13:53:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-10-24 13:53:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-10-24 13:53:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2024-10-24 13:53:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2024-10-24 13:53:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2024-10-24 13:53:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2024-10-24 13:53:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2024-10-24 13:53:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2024-10-24 13:53:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-24 13:53:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-24 13:53:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2024-10-24 13:53:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2024-10-24 13:53:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-10-24 13:53:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-10-24 13:53:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-10-24 13:53:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2024-10-24 13:53:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2024-10-24 13:53:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2024-10-24 13:53:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-10-24 13:53:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 13:53:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2024-10-24 13:53:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2024-10-24 13:53:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-10-24 13:53:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-10-24 13:53:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_msb_disk_lock [2024-10-24 13:53:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_msb_disk_lock [2024-10-24 13:53:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:53:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:53:54,023 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:53:54,029 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:53:54,061 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:53:56,686 INFO L? ?]: Removed 1498 outVars from TransFormulas that were not future-live. [2024-10-24 13:53:56,686 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:53:56,851 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:53:56,851 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 13:53:56,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:53:56 BoogieIcfgContainer [2024-10-24 13:53:56,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:53:56,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:53:56,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:53:56,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:53:56,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:53:50" (1/3) ... [2024-10-24 13:53:56,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c0bc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:53:56, skipping insertion in model container [2024-10-24 13:53:56,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:52" (2/3) ... [2024-10-24 13:53:56,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c0bc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:53:56, skipping insertion in model container [2024-10-24 13:53:56,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:53:56" (3/3) ... [2024-10-24 13:53:56,859 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-10-24 13:53:56,872 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:53:56,872 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:53:56,949 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:53:56,955 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@22db1ffa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:53:56,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:53:56,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 1593 states, 1059 states have (on average 1.4079320113314449) internal successors, (1491), 1102 states have internal predecessors, (1491), 440 states have call successors, (440), 93 states have call predecessors, (440), 92 states have return successors, (434), 428 states have call predecessors, (434), 434 states have call successors, (434) [2024-10-24 13:53:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 13:53:56,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:53:56,972 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:53:56,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:53:56,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:53:56,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1200808289, now seen corresponding path program 1 times [2024-10-24 13:53:56,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:53:56,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965502920] [2024-10-24 13:53:56,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:53:56,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:53:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:53:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:53:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:53:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:53:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:53:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:53:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:53:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:53:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:53:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:53:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:53:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:53:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:53:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 13:53:57,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:53:57,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965502920] [2024-10-24 13:53:57,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965502920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:53:57,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:53:57,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:53:57,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768351288] [2024-10-24 13:53:57,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:53:57,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:53:57,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:53:57,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:53:57,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:53:57,605 INFO L87 Difference]: Start difference. First operand has 1593 states, 1059 states have (on average 1.4079320113314449) internal successors, (1491), 1102 states have internal predecessors, (1491), 440 states have call successors, (440), 93 states have call predecessors, (440), 92 states have return successors, (434), 428 states have call predecessors, (434), 434 states have call successors, (434) Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-10-24 13:54:06,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:54:06,707 INFO L93 Difference]: Finished difference Result 5641 states and 8801 transitions. [2024-10-24 13:54:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:54:06,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 3 states have internal predecessors, (28), 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 70 [2024-10-24 13:54:06,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:54:06,758 INFO L225 Difference]: With dead ends: 5641 [2024-10-24 13:54:06,759 INFO L226 Difference]: Without dead ends: 4003 [2024-10-24 13:54:06,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:54:06,782 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 6835 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 7163 mSolverCounterSat, 4013 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7231 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 11176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4013 IncrementalHoareTripleChecker+Valid, 7163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:54:06,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7231 Valid, 1365 Invalid, 11176 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4013 Valid, 7163 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-10-24 13:54:06,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2024-10-24 13:54:07,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 3072. [2024-10-24 13:54:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 2048 states have (on average 1.38916015625) internal successors, (2845), 2112 states have internal predecessors, (2845), 844 states have call successors, (844), 180 states have call predecessors, (844), 179 states have return successors, (835), 821 states have call predecessors, (835), 835 states have call successors, (835) [2024-10-24 13:54:07,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 4524 transitions. [2024-10-24 13:54:07,045 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 4524 transitions. Word has length 70 [2024-10-24 13:54:07,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:54:07,046 INFO L471 AbstractCegarLoop]: Abstraction has 3072 states and 4524 transitions. [2024-10-24 13:54:07,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-10-24 13:54:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 4524 transitions. [2024-10-24 13:54:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 13:54:07,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:54:07,050 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:54:07,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:54:07,050 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:54:07,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:54:07,051 INFO L85 PathProgramCache]: Analyzing trace with hash -948046460, now seen corresponding path program 1 times [2024-10-24 13:54:07,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:54:07,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586702413] [2024-10-24 13:54:07,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:54:07,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:54:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:54:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:54:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:54:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:54:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 13:54:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 13:54:07,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:54:07,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586702413] [2024-10-24 13:54:07,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586702413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:54:07,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:54:07,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:54:07,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616089917] [2024-10-24 13:54:07,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:54:07,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:54:07,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:54:07,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:54:07,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:54:07,360 INFO L87 Difference]: Start difference. First operand 3072 states and 4524 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-10-24 13:54:15,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:54:15,779 INFO L93 Difference]: Finished difference Result 10942 states and 16663 transitions. [2024-10-24 13:54:15,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:54:15,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 3 states have internal predecessors, (29), 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 71 [2024-10-24 13:54:15,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:54:15,828 INFO L225 Difference]: With dead ends: 10942 [2024-10-24 13:54:15,828 INFO L226 Difference]: Without dead ends: 7888 [2024-10-24 13:54:15,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:54:15,849 INFO L432 NwaCegarLoop]: 428 mSDtfsCounter, 6679 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 7117 mSolverCounterSat, 3964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7075 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 11081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3964 IncrementalHoareTripleChecker+Valid, 7117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:54:15,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7075 Valid, 1454 Invalid, 11081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3964 Valid, 7117 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2024-10-24 13:54:15,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7888 states. [2024-10-24 13:54:16,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7888 to 6059. [2024-10-24 13:54:16,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6059 states, 4050 states have (on average 1.3891358024691358) internal successors, (5626), 4167 states have internal predecessors, (5626), 1657 states have call successors, (1657), 352 states have call predecessors, (1657), 351 states have return successors, (1648), 1623 states have call predecessors, (1648), 1648 states have call successors, (1648) [2024-10-24 13:54:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6059 states to 6059 states and 8931 transitions. [2024-10-24 13:54:16,185 INFO L78 Accepts]: Start accepts. Automaton has 6059 states and 8931 transitions. Word has length 71 [2024-10-24 13:54:16,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:54:16,187 INFO L471 AbstractCegarLoop]: Abstraction has 6059 states and 8931 transitions. [2024-10-24 13:54:16,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-10-24 13:54:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 8931 transitions. [2024-10-24 13:54:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 13:54:16,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:54:16,190 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:54:16,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:54:16,191 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:54:16,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:54:16,191 INFO L85 PathProgramCache]: Analyzing trace with hash -821624634, now seen corresponding path program 1 times [2024-10-24 13:54:16,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:54:16,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21177334] [2024-10-24 13:54:16,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:54:16,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:54:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:54:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:54:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:54:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:54:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:54:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 13:54:16,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:54:16,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21177334] [2024-10-24 13:54:16,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21177334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:54:16,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:54:16,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:54:16,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316845451] [2024-10-24 13:54:16,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:54:16,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:54:16,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:54:16,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:54:16,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:54:16,419 INFO L87 Difference]: Start difference. First operand 6059 states and 8931 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:54:22,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:54:22,938 INFO L93 Difference]: Finished difference Result 18925 states and 28594 transitions. [2024-10-24 13:54:22,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:54:22,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-10-24 13:54:22,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:54:23,021 INFO L225 Difference]: With dead ends: 18925 [2024-10-24 13:54:23,021 INFO L226 Difference]: Without dead ends: 12884 [2024-10-24 13:54:23,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:54:23,052 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 5857 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 6350 mSolverCounterSat, 3717 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6208 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 10067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3717 IncrementalHoareTripleChecker+Valid, 6350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:54:23,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6208 Valid, 1222 Invalid, 10067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3717 Valid, 6350 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-10-24 13:54:23,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12884 states. [2024-10-24 13:54:23,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12884 to 9503. [2024-10-24 13:54:23,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9503 states, 6424 states have (on average 1.3913449564134495) internal successors, (8938), 6587 states have internal predecessors, (8938), 2473 states have call successors, (2473), 606 states have call predecessors, (2473), 605 states have return successors, (2464), 2423 states have call predecessors, (2464), 2464 states have call successors, (2464) [2024-10-24 13:54:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9503 states to 9503 states and 13875 transitions. [2024-10-24 13:54:23,619 INFO L78 Accepts]: Start accepts. Automaton has 9503 states and 13875 transitions. Word has length 76 [2024-10-24 13:54:23,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:54:23,620 INFO L471 AbstractCegarLoop]: Abstraction has 9503 states and 13875 transitions. [2024-10-24 13:54:23,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:54:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 9503 states and 13875 transitions. [2024-10-24 13:54:23,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 13:54:23,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:54:23,623 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:54:23,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:54:23,624 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:54:23,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:54:23,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1836043121, now seen corresponding path program 1 times [2024-10-24 13:54:23,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:54:23,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047952220] [2024-10-24 13:54:23,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:54:23,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:54:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:54:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:54:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:54:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:54:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 13:54:23,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:54:23,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047952220] [2024-10-24 13:54:23,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047952220] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:54:23,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:54:23,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:54:23,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102313273] [2024-10-24 13:54:23,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:54:23,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:54:23,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:54:23,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:54:23,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:54:23,834 INFO L87 Difference]: Start difference. First operand 9503 states and 13875 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-10-24 13:54:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:54:28,283 INFO L93 Difference]: Finished difference Result 12867 states and 19661 transitions. [2024-10-24 13:54:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:54:28,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 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 74 [2024-10-24 13:54:28,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:54:28,356 INFO L225 Difference]: With dead ends: 12867 [2024-10-24 13:54:28,357 INFO L226 Difference]: Without dead ends: 12864 [2024-10-24 13:54:28,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:54:28,367 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 4413 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 4066 mSolverCounterSat, 3350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4487 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 7416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3350 IncrementalHoareTripleChecker+Valid, 4066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:54:28,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4487 Valid, 822 Invalid, 7416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3350 Valid, 4066 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-24 13:54:28,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12864 states. [2024-10-24 13:54:28,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12864 to 9502. [2024-10-24 13:54:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9502 states, 6424 states have (on average 1.391189290161893) internal successors, (8937), 6586 states have internal predecessors, (8937), 2472 states have call successors, (2472), 606 states have call predecessors, (2472), 605 states have return successors, (2464), 2423 states have call predecessors, (2464), 2464 states have call successors, (2464) [2024-10-24 13:54:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9502 states to 9502 states and 13873 transitions. [2024-10-24 13:54:29,058 INFO L78 Accepts]: Start accepts. Automaton has 9502 states and 13873 transitions. Word has length 74 [2024-10-24 13:54:29,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:54:29,060 INFO L471 AbstractCegarLoop]: Abstraction has 9502 states and 13873 transitions. [2024-10-24 13:54:29,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-10-24 13:54:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 9502 states and 13873 transitions. [2024-10-24 13:54:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 13:54:29,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:54:29,061 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:54:29,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:54:29,061 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:54:29,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:54:29,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1082126762, now seen corresponding path program 1 times [2024-10-24 13:54:29,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:54:29,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371386601] [2024-10-24 13:54:29,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:54:29,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:54:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:54:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:54:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:54:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:54:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 13:54:29,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:54:29,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371386601] [2024-10-24 13:54:29,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371386601] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:54:29,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:54:29,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:54:29,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249230421] [2024-10-24 13:54:29,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:54:29,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:54:29,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:54:29,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:54:29,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:54:29,268 INFO L87 Difference]: Start difference. First operand 9502 states and 13873 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-24 13:54:34,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:54:34,295 INFO L93 Difference]: Finished difference Result 12866 states and 19659 transitions. [2024-10-24 13:54:34,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:54:34,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 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 75 [2024-10-24 13:54:34,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:54:34,343 INFO L225 Difference]: With dead ends: 12866 [2024-10-24 13:54:34,343 INFO L226 Difference]: Without dead ends: 12863 [2024-10-24 13:54:34,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:54:34,351 INFO L432 NwaCegarLoop]: 380 mSDtfsCounter, 4122 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 5042 mSolverCounterSat, 2759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4196 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 7801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2759 IncrementalHoareTripleChecker+Valid, 5042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:54:34,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4196 Valid, 1023 Invalid, 7801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2759 Valid, 5042 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-24 13:54:34,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12863 states. [2024-10-24 13:54:34,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12863 to 9501. [2024-10-24 13:54:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9501 states, 6424 states have (on average 1.3910336239103362) internal successors, (8936), 6585 states have internal predecessors, (8936), 2471 states have call successors, (2471), 606 states have call predecessors, (2471), 605 states have return successors, (2464), 2423 states have call predecessors, (2464), 2464 states have call successors, (2464) [2024-10-24 13:54:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9501 states to 9501 states and 13871 transitions. [2024-10-24 13:54:34,926 INFO L78 Accepts]: Start accepts. Automaton has 9501 states and 13871 transitions. Word has length 75 [2024-10-24 13:54:34,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:54:34,926 INFO L471 AbstractCegarLoop]: Abstraction has 9501 states and 13871 transitions. [2024-10-24 13:54:34,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-24 13:54:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 9501 states and 13871 transitions. [2024-10-24 13:54:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 13:54:34,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:54:34,928 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:54:34,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:54:34,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:54:34,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:54:34,929 INFO L85 PathProgramCache]: Analyzing trace with hash -814439020, now seen corresponding path program 1 times [2024-10-24 13:54:34,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:54:34,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968726186] [2024-10-24 13:54:34,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:54:34,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:54:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:54:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:54:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:54:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:54:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 13:54:35,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:54:35,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968726186] [2024-10-24 13:54:35,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968726186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:54:35,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:54:35,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:54:35,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146455476] [2024-10-24 13:54:35,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:54:35,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:54:35,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:54:35,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:54:35,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:54:35,146 INFO L87 Difference]: Start difference. First operand 9501 states and 13871 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-10-24 13:54:42,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:54:42,081 INFO L93 Difference]: Finished difference Result 16251 states and 24606 transitions. [2024-10-24 13:54:42,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:54:42,081 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), 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 76 [2024-10-24 13:54:42,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:54:42,146 INFO L225 Difference]: With dead ends: 16251 [2024-10-24 13:54:42,147 INFO L226 Difference]: Without dead ends: 16247 [2024-10-24 13:54:42,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:54:42,155 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 4710 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 7958 mSolverCounterSat, 2703 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4936 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 10661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2703 IncrementalHoareTripleChecker+Valid, 7958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:54:42,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4936 Valid, 1060 Invalid, 10661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2703 Valid, 7958 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-10-24 13:54:42,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16247 states. [2024-10-24 13:54:42,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16247 to 12487. [2024-10-24 13:54:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12487 states, 8408 states have (on average 1.3828496669838248) internal successors, (11627), 8603 states have internal predecessors, (11627), 3249 states have call successors, (3249), 830 states have call predecessors, (3249), 829 states have return successors, (3244), 3191 states have call predecessors, (3244), 3244 states have call successors, (3244) [2024-10-24 13:54:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12487 states to 12487 states and 18120 transitions. [2024-10-24 13:54:42,871 INFO L78 Accepts]: Start accepts. Automaton has 12487 states and 18120 transitions. Word has length 76 [2024-10-24 13:54:42,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:54:42,872 INFO L471 AbstractCegarLoop]: Abstraction has 12487 states and 18120 transitions. [2024-10-24 13:54:42,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-10-24 13:54:42,872 INFO L276 IsEmpty]: Start isEmpty. Operand 12487 states and 18120 transitions. [2024-10-24 13:54:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 13:54:42,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:54:42,873 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:54:42,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:54:42,874 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:54:42,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:54:42,874 INFO L85 PathProgramCache]: Analyzing trace with hash 521568749, now seen corresponding path program 1 times [2024-10-24 13:54:42,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:54:42,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930749196] [2024-10-24 13:54:42,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:54:42,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:54:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:54:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:54:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:54:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:54:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 13:54:43,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:54:43,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930749196] [2024-10-24 13:54:43,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930749196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:54:43,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:54:43,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:54:43,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659308650] [2024-10-24 13:54:43,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:54:43,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:54:43,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:54:43,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:54:43,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:54:43,075 INFO L87 Difference]: Start difference. First operand 12487 states and 18120 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-10-24 13:54:48,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:54:48,004 INFO L93 Difference]: Finished difference Result 16305 states and 24659 transitions. [2024-10-24 13:54:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:54:48,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 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 77 [2024-10-24 13:54:48,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:54:48,144 INFO L225 Difference]: With dead ends: 16305 [2024-10-24 13:54:48,144 INFO L226 Difference]: Without dead ends: 16301 [2024-10-24 13:54:48,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:54:48,152 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 4410 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 3371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4478 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 7460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3371 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:54:48,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4478 Valid, 824 Invalid, 7460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3371 Valid, 4089 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-24 13:54:48,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16301 states. [2024-10-24 13:54:48,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16301 to 12541. [2024-10-24 13:54:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12541 states, 8436 states have (on average 1.3807491702228545) internal successors, (11648), 8629 states have internal predecessors, (11648), 3263 states have call successors, (3263), 842 states have call predecessors, (3263), 841 states have return successors, (3260), 3207 states have call predecessors, (3260), 3260 states have call successors, (3260) [2024-10-24 13:54:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12541 states to 12541 states and 18171 transitions. [2024-10-24 13:54:48,979 INFO L78 Accepts]: Start accepts. Automaton has 12541 states and 18171 transitions. Word has length 77 [2024-10-24 13:54:48,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:54:48,979 INFO L471 AbstractCegarLoop]: Abstraction has 12541 states and 18171 transitions. [2024-10-24 13:54:48,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-10-24 13:54:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 12541 states and 18171 transitions. [2024-10-24 13:54:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 13:54:48,980 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:54:48,980 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:54:48,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:54:48,981 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:54:48,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:54:48,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1011858505, now seen corresponding path program 1 times [2024-10-24 13:54:48,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:54:48,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720153275] [2024-10-24 13:54:48,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:54:48,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:54:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:54:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:54:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:54:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:54:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 13:54:49,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:54:49,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720153275] [2024-10-24 13:54:49,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720153275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:54:49,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:54:49,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:54:49,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634306721] [2024-10-24 13:54:49,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:54:49,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:54:49,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:54:49,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:54:49,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:54:49,202 INFO L87 Difference]: Start difference. First operand 12541 states and 18171 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-24 13:54:54,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:54:54,081 INFO L93 Difference]: Finished difference Result 16301 states and 24649 transitions. [2024-10-24 13:54:54,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:54:54,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 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 78 [2024-10-24 13:54:54,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:54:54,151 INFO L225 Difference]: With dead ends: 16301 [2024-10-24 13:54:54,151 INFO L226 Difference]: Without dead ends: 16288 [2024-10-24 13:54:54,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:54:54,164 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 4357 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 4088 mSolverCounterSat, 3295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4432 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 7383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3295 IncrementalHoareTripleChecker+Valid, 4088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:54:54,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4432 Valid, 808 Invalid, 7383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3295 Valid, 4088 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 13:54:54,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16288 states. [2024-10-24 13:54:54,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16288 to 12530. [2024-10-24 13:54:54,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12530 states, 8428 states have (on average 1.3800427147603227) internal successors, (11631), 8620 states have internal predecessors, (11631), 3261 states have call successors, (3261), 841 states have call predecessors, (3261), 840 states have return successors, (3259), 3206 states have call predecessors, (3259), 3259 states have call successors, (3259) [2024-10-24 13:54:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12530 states to 12530 states and 18151 transitions. [2024-10-24 13:54:54,926 INFO L78 Accepts]: Start accepts. Automaton has 12530 states and 18151 transitions. Word has length 78 [2024-10-24 13:54:54,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:54:54,926 INFO L471 AbstractCegarLoop]: Abstraction has 12530 states and 18151 transitions. [2024-10-24 13:54:54,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-24 13:54:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 12530 states and 18151 transitions. [2024-10-24 13:54:54,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 13:54:54,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:54:54,934 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:54:54,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 13:54:54,935 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:54:54,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:54:54,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1824430163, now seen corresponding path program 1 times [2024-10-24 13:54:54,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:54:54,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896892685] [2024-10-24 13:54:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:54:54,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:54:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:54:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:54:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:54:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:54:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 13:54:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:54:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:54:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:54:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 13:54:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 13:54:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:54:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-10-24 13:54:55,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:54:55,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896892685] [2024-10-24 13:54:55,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896892685] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:54:55,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:54:55,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:54:55,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702676598] [2024-10-24 13:54:55,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:54:55,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:54:55,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:54:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:54:55,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:54:55,307 INFO L87 Difference]: Start difference. First operand 12530 states and 18151 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 13:55:06,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:55:06,017 INFO L93 Difference]: Finished difference Result 36882 states and 54978 transitions. [2024-10-24 13:55:06,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 13:55:06,018 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 123 [2024-10-24 13:55:06,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:55:06,119 INFO L225 Difference]: With dead ends: 36882 [2024-10-24 13:55:06,119 INFO L226 Difference]: Without dead ends: 24378 [2024-10-24 13:55:06,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:55:06,172 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 9391 mSDsluCounter, 1298 mSDsCounter, 0 mSdLazyCounter, 9615 mSolverCounterSat, 6550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9479 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 16165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6550 IncrementalHoareTripleChecker+Valid, 9615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:55:06,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9479 Valid, 1650 Invalid, 16165 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6550 Valid, 9615 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-10-24 13:55:06,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24378 states. [2024-10-24 13:55:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24378 to 18745. [2024-10-24 13:55:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18745 states, 12622 states have (on average 1.380367612105847) internal successors, (17423), 12909 states have internal predecessors, (17423), 4862 states have call successors, (4862), 1261 states have call predecessors, (4862), 1260 states have return successors, (4860), 4780 states have call predecessors, (4860), 4860 states have call successors, (4860) [2024-10-24 13:55:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18745 states to 18745 states and 27145 transitions. [2024-10-24 13:55:07,568 INFO L78 Accepts]: Start accepts. Automaton has 18745 states and 27145 transitions. Word has length 123 [2024-10-24 13:55:07,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:55:07,568 INFO L471 AbstractCegarLoop]: Abstraction has 18745 states and 27145 transitions. [2024-10-24 13:55:07,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 13:55:07,570 INFO L276 IsEmpty]: Start isEmpty. Operand 18745 states and 27145 transitions. [2024-10-24 13:55:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 13:55:07,576 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:55:07,576 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:55:07,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 13:55:07,576 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:55:07,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:55:07,576 INFO L85 PathProgramCache]: Analyzing trace with hash 651811663, now seen corresponding path program 1 times [2024-10-24 13:55:07,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:55:07,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461861240] [2024-10-24 13:55:07,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:55:07,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:55:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:55:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:55:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:55:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:55:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:55:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:55:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:55:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:55:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:55:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:55:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:55:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:55:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 13:55:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:55:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:55:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:55:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:55:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:55:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 13:55:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 13:55:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:55:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-24 13:55:07,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:55:07,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461861240] [2024-10-24 13:55:07,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461861240] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:55:07,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:55:07,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:55:07,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301008424] [2024-10-24 13:55:07,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:55:07,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:55:07,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:55:07,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:55:07,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:55:07,837 INFO L87 Difference]: Start difference. First operand 18745 states and 27145 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (14), 7 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)