./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i -s /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 0.3.0-?-8fc3dc6-m [2025-03-17 08:44:29,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 08:44:29,805 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 08:44:29,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 08:44:29,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 08:44:29,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 08:44:29,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 08:44:29,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 08:44:29,833 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 08:44:29,833 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 08:44:29,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 08:44:29,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 08:44:29,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 08:44:29,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 08:44:29,833 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 08:44:29,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 08:44:29,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 08:44:29,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 08:44:29,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 08:44:29,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 08:44:29,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 08:44:29,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 08:44:29,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 08:44:29,836 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 08:44:29,836 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 08:44:29,836 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 08:44:29,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 08:44:29,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 08:44:29,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 08:44:29,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:44:29,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 08:44:29,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 08:44:29,837 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 08:44:29,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 08:44:29,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 08:44:29,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 08:44:29,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 08:44:29,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 08:44:29,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 08:44:29,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 08:44:29,838 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-17 08:44:30,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 08:44:30,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 08:44:30,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 08:44:30,079 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 08:44:30,079 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 08:44:30,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2025-03-17 08:44:31,222 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fa419c54/0e0ed669f12a472fbba1db0b98c03e0e/FLAG48266c849 [2025-03-17 08:44:31,754 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 08:44:31,754 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2025-03-17 08:44:31,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fa419c54/0e0ed669f12a472fbba1db0b98c03e0e/FLAG48266c849 [2025-03-17 08:44:31,833 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fa419c54/0e0ed669f12a472fbba1db0b98c03e0e [2025-03-17 08:44:31,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 08:44:31,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 08:44:31,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 08:44:31,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 08:44:31,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 08:44:31,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:44:31" (1/1) ... [2025-03-17 08:44:31,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760bcde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:31, skipping insertion in model container [2025-03-17 08:44:31,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:44:31" (1/1) ... [2025-03-17 08:44:31,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 08:44:33,691 WARN L250 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] [2025-03-17 08:44:33,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:44:33,929 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 08:44:33,983 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] [2025-03-17 08:44:33,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3949] [2025-03-17 08:44:33,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3956] [2025-03-17 08:44:33,986 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] [2025-03-17 08:44:33,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3974] [2025-03-17 08:44:33,988 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] [2025-03-17 08:44:33,989 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] [2025-03-17 08:44:33,989 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] [2025-03-17 08:44:33,990 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] [2025-03-17 08:44:33,990 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] [2025-03-17 08:44:33,990 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] [2025-03-17 08:44:33,995 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] [2025-03-17 08:44:33,996 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] [2025-03-17 08:44:33,996 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] [2025-03-17 08:44:33,997 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] [2025-03-17 08:44:33,997 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] [2025-03-17 08:44:33,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (193), "i" (12UL)); [4483-4484] [2025-03-17 08:44:34,024 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] [2025-03-17 08:44:34,029 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] [2025-03-17 08:44:34,032 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] [2025-03-17 08:44:34,037 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] [2025-03-17 08:44:34,041 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] [2025-03-17 08:44:34,054 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] [2025-03-17 08:44:34,057 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] [2025-03-17 08:44:34,067 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] [2025-03-17 08:44:34,163 WARN L250 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] [2025-03-17 08:44:34,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:44:34,225 INFO L204 MainTranslator]: Completed translation [2025-03-17 08:44:34,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34 WrapperNode [2025-03-17 08:44:34,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 08:44:34,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 08:44:34,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 08:44:34,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 08:44:34,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,421 INFO L138 Inliner]: procedures = 308, calls = 1840, calls flagged for inlining = 110, calls inlined = 101, statements flattened = 4110 [2025-03-17 08:44:34,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 08:44:34,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 08:44:34,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 08:44:34,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 08:44:34,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,463 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,866 INFO L175 MemorySlicer]: Split 675 memory accesses to 15 slices as follows [2, 23, 3, 6, 16, 555, 0, 1, 4, 2, 8, 4, 34, 10, 7]. 82 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 289 writes are split as follows [0, 23, 0, 4, 0, 220, 0, 1, 1, 1, 0, 1, 29, 5, 4]. [2025-03-17 08:44:34,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,937 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:34,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:35,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 08:44:35,018 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 08:44:35,018 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 08:44:35,018 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 08:44:35,019 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (1/1) ... [2025-03-17 08:44:35,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:44:35,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 08:44:35,050 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) [2025-03-17 08:44:35,057 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 [2025-03-17 08:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2025-03-17 08:44:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2025-03-17 08:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_memstick_host [2025-03-17 08:44:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_memstick_host [2025-03-17 08:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2025-03-17 08:44:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2025-03-17 08:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 08:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 08:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 08:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-17 08:44:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-17 08:44:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2025-03-17 08:44:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2025-03-17 08:44:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2025-03-17 08:44:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 08:44:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2025-03-17 08:44:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2025-03-17 08:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2025-03-17 08:44:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-17 08:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-17 08:44:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-17 08:44:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-17 08:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 08:44:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 08:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2025-03-17 08:44:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2025-03-17 08:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-03-17 08:44:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-03-17 08:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure msb_verify_block [2025-03-17 08:44:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_verify_block [2025-03-17 08:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-17 08:44:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-17 08:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2025-03-17 08:44:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2025-03-17 08:44:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_msb_disk_lock [2025-03-17 08:44:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_msb_disk_lock [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_write [2025-03-17 08:44:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_write [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2025-03-17 08:44:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2025-03-17 08:44:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request [2025-03-17 08:44:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 08:44:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 08:44:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2025-03-17 08:44:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2025-03-17 08:44:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure msb_io_work [2025-03-17 08:44:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_io_work [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-17 08:44:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2025-03-17 08:44:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2025-03-17 08:44:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-17 08:44:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2025-03-17 08:44:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2025-03-17 08:44:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-17 08:44:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-17 08:44:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure msb_update_block [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_update_block [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_flush [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_flush [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure msb_sg_copy [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_sg_copy [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2025-03-17 08:44:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 08:44:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 08:44:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 08:44:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 08:44:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 08:44:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_memstick_host [2025-03-17 08:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_memstick_host [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2025-03-17 08:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2025-03-17 08:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2025-03-17 08:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2025-03-17 08:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2025-03-17 08:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-17 08:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2025-03-17 08:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure msb_bd_getgeo [2025-03-17 08:44:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_bd_getgeo [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 08:44:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2025-03-17 08:44:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-17 08:44:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2025-03-17 08:44:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2025-03-17 08:44:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-03-17 08:44:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2025-03-17 08:44:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-03-17 08:44:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 08:44:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2025-03-17 08:44:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2025-03-17 08:44:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2025-03-17 08:44:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2025-03-17 08:44:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2025-03-17 08:44:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2025-03-17 08:44:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2025-03-17 08:44:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2025-03-17 08:44:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2025-03-17 08:44:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_msb_disk_lock [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_msb_disk_lock [2025-03-17 08:44:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 08:44:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 08:44:35,629 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 08:44:35,632 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 08:44:35,683 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-17 08:44:35,788 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9188: havoc #t~ret1121.base, #t~ret1121.offset; [2025-03-17 08:44:35,879 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9149: havoc __bitmap_weight_#t~nondet1116#1; [2025-03-17 08:44:35,949 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5708: call ULTIMATE.dealloc(~#sg~2#1.base, ~#sg~2#1.offset);havoc ~#sg~2#1.base, ~#sg~2#1.offset; [2025-03-17 08:44:35,949 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4643: call ULTIMATE.dealloc(msb_sg_compare_to_buffer_~#miter~0#1.base, msb_sg_compare_to_buffer_~#miter~0#1.offset);havoc msb_sg_compare_to_buffer_~#miter~0#1.base, msb_sg_compare_to_buffer_~#miter~0#1.offset; [2025-03-17 08:44:36,070 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9318: havoc sg_copy_to_buffer_#t~nondet1135#1; [2025-03-17 08:44:36,070 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6577: call ULTIMATE.dealloc(~#sg_tmp~0#1.base, ~#sg_tmp~0#1.offset);havoc ~#sg_tmp~0#1.base, ~#sg_tmp~0#1.offset; [2025-03-17 08:44:36,070 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278: havoc mod_timer_#t~nondet1128#1; [2025-03-17 08:44:36,078 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9153: havoc #t~nondet1117; [2025-03-17 08:44:36,316 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4511: havoc blk_rq_pos_#t~mem143#1; [2025-03-17 08:44:36,316 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6627: call ULTIMATE.dealloc(msb_cache_read_~#sg_tmp~1#1.base, msb_cache_read_~#sg_tmp~1#1.offset);havoc msb_cache_read_~#sg_tmp~1#1.base, msb_cache_read_~#sg_tmp~1#1.offset; [2025-03-17 08:44:36,316 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: call ULTIMATE.dealloc(~#len~2#1.base, ~#len~2#1.offset);havoc ~#len~2#1.base, ~#len~2#1.offset; [2025-03-17 08:44:36,317 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9314: havoc sg_copy_from_buffer_#t~nondet1134#1; [2025-03-17 08:44:36,317 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9216: havoc blk_rq_map_sg_#t~nondet1123#1; [2025-03-17 08:44:36,384 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9292: havoc #t~nondet1130; [2025-03-17 08:44:36,390 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4383: havoc dev_get_drvdata_#t~mem90#1.base, dev_get_drvdata_#t~mem90#1.offset; [2025-03-17 08:44:36,417 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9303: havoc #t~nondet1132; [2025-03-17 08:44:36,424 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4320: havoc __kmalloc_#t~ret86#1.base, __kmalloc_#t~ret86#1.offset; [2025-03-17 08:44:36,503 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3981: havoc #t~bitwise4; [2025-03-17 08:44:36,505 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9170: havoc #t~nondet1119; [2025-03-17 08:44:36,566 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6112: call ULTIMATE.dealloc(~#sg~4.base, ~#sg~4.offset);havoc ~#sg~4.base, ~#sg~4.offset; [2025-03-17 08:44:36,711 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5841: call ULTIMATE.dealloc(msb_get_free_block_~#pos~0#1.base, msb_get_free_block_~#pos~0#1.offset);havoc msb_get_free_block_~#pos~0#1.base, msb_get_free_block_~#pos~0#1.offset; [2025-03-17 08:44:36,763 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6478: call ULTIMATE.dealloc(~#sg~5.base, ~#sg~5.offset);havoc ~#sg~5.base, ~#sg~5.offset;call ULTIMATE.dealloc(~#extra~2.base, ~#extra~2.offset);havoc ~#extra~2.base, ~#extra~2.offset; [2025-03-17 08:44:36,767 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9328: havoc #t~nondet1136; [2025-03-17 08:44:36,796 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4831: havoc #t~mem245#1; [2025-03-17 08:44:36,880 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4474: havoc #t~mem112; [2025-03-17 08:44:36,883 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9236: havoc #t~nondet1125; [2025-03-17 08:44:36,887 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9232: havoc #t~nondet1124; [2025-03-17 08:44:37,007 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9341: havoc #t~ret1138.base, #t~ret1138.offset; [2025-03-17 08:44:37,044 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9338: havoc #t~nondet1137; [2025-03-17 08:44:37,122 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5552: call ULTIMATE.dealloc(~#miter~1#1.base, ~#miter~1#1.offset);havoc ~#miter~1#1.base, ~#miter~1#1.offset; [2025-03-17 08:44:37,122 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4124: havoc arch_irqs_disabled_flags_#t~bitwise28#1; [2025-03-17 08:44:37,144 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4517: havoc #t~mem144; [2025-03-17 08:44:37,204 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9163: havoc __msecs_to_jiffies_#t~nondet1118#1; [2025-03-17 08:44:37,577 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6282: call ULTIMATE.dealloc(msb_ftl_scan_~#extra~1#1.base, msb_ftl_scan_~#extra~1#1.offset);havoc msb_ftl_scan_~#extra~1#1.base, msb_ftl_scan_~#extra~1#1.offset; [2025-03-17 08:44:37,577 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6024: call ULTIMATE.dealloc(msb_read_boot_blocks_~#sg~3#1.base, msb_read_boot_blocks_~#sg~3#1.offset);havoc msb_read_boot_blocks_~#sg~3#1.base, msb_read_boot_blocks_~#sg~3#1.offset;call ULTIMATE.dealloc(msb_read_boot_blocks_~#extra~0#1.base, msb_read_boot_blocks_~#extra~0#1.offset);havoc msb_read_boot_blocks_~#extra~0#1.base, msb_read_boot_blocks_~#extra~0#1.offset; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7900: call ULTIMATE.dealloc(main_~#ldvarg3~0#1.base, main_~#ldvarg3~0#1.offset);havoc main_~#ldvarg3~0#1.base, main_~#ldvarg3~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset);havoc main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset);havoc main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9271: havoc memstick_register_driver_#t~nondet1127#1; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9191: havoc blk_init_queue_#t~ret1122#1.base, blk_init_queue_#t~ret1122#1.offset; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9307: havoc register_blkdev_#t~nondet1133#1; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7245: call ULTIMATE.dealloc(msb_init_disk_~#__key~0#1.base, msb_init_disk_~#__key~0#1.offset);havoc msb_init_disk_~#__key~0#1.base, msb_init_disk_~#__key~0#1.offset;call ULTIMATE.dealloc(msb_init_disk_~#__key___0~0#1.base, msb_init_disk_~#__key___0~0#1.offset);havoc msb_init_disk_~#__key___0~0#1.base, msb_init_disk_~#__key___0~0#1.offset;call ULTIMATE.dealloc(msb_init_disk_~#__constr_expr_0~0#1.base, msb_init_disk_~#__constr_expr_0~0#1.offset);havoc msb_init_disk_~#__constr_expr_0~0#1.base, msb_init_disk_~#__constr_expr_0~0#1.offset; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9145: havoc __alloc_workqueue_key_#t~ret1115#1.base, __alloc_workqueue_key_#t~ret1115#1.offset; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7263: havoc msb_init_disk_#t~mem951#1; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9179: havoc alloc_disk_#t~ret1120#1.base, alloc_disk_#t~ret1120#1.offset; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9246: havoc idr_alloc_#t~nondet1126#1; [2025-03-17 08:44:42,128 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7415: call ULTIMATE.dealloc(msb_resume_~#__key~2#1.base, msb_resume_~#__key~2#1.offset);havoc msb_resume_~#__key~2#1.base, msb_resume_~#__key~2#1.offset; [2025-03-17 08:44:42,129 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7334: call ULTIMATE.dealloc(msb_probe_~#__key~1#1.base, msb_probe_~#__key~1#1.offset);havoc msb_probe_~#__key~1#1.base, msb_probe_~#__key~1#1.offset; [2025-03-17 08:44:42,714 INFO L? ?]: Removed 1294 outVars from TransFormulas that were not future-live. [2025-03-17 08:44:42,714 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 08:44:42,778 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 08:44:42,779 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 08:44:42,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:44:42 BoogieIcfgContainer [2025-03-17 08:44:42,779 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 08:44:42,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 08:44:42,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 08:44:42,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 08:44:42,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 08:44:31" (1/3) ... [2025-03-17 08:44:42,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec70461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:44:42, skipping insertion in model container [2025-03-17 08:44:42,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:44:34" (2/3) ... [2025-03-17 08:44:42,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec70461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:44:42, skipping insertion in model container [2025-03-17 08:44:42,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:44:42" (3/3) ... [2025-03-17 08:44:42,792 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2025-03-17 08:44:42,805 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 08:44:42,809 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i that has 104 procedures, 1732 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-03-17 08:44:42,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 08:44:42,906 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;@38621e34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 08:44:42,906 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 08:44:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 1691 states, 1157 states have (on average 1.3733794295592048) internal successors, (1589), 1202 states have internal predecessors, (1589), 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) [2025-03-17 08:44:42,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 08:44:42,930 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:44:42,931 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:44:42,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:44:42,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:44:42,935 INFO L85 PathProgramCache]: Analyzing trace with hash -218804361, now seen corresponding path program 1 times [2025-03-17 08:44:42,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:44:42,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346558600] [2025-03-17 08:44:42,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:42,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:44:44,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 08:44:44,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 08:44:44,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:44:44,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:44:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 08:44:44,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:44:44,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346558600] [2025-03-17 08:44:44,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346558600] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 08:44:44,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841336562] [2025-03-17 08:44:44,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:44,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 08:44:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 08:44:44,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 08:44:44,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 08:44:45,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 08:44:45,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 08:44:45,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:44:45,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:44:45,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 08:44:45,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 08:44:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-03-17 08:44:45,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 08:44:45,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841336562] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:44:45,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 08:44:45,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 08:44:45,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773385324] [2025-03-17 08:44:45,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:44:45,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 08:44:45,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:44:45,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 08:44:45,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 08:44:45,959 INFO L87 Difference]: Start difference. First operand has 1691 states, 1157 states have (on average 1.3733794295592048) internal successors, (1589), 1202 states have internal predecessors, (1589), 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 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 08:44:46,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:44:46,292 INFO L93 Difference]: Finished difference Result 3378 states and 4990 transitions. [2025-03-17 08:44:46,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 08:44:46,294 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2025-03-17 08:44:46,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:44:46,328 INFO L225 Difference]: With dead ends: 3378 [2025-03-17 08:44:46,328 INFO L226 Difference]: Without dead ends: 1666 [2025-03-17 08:44:46,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 08:44:46,350 INFO L435 NwaCegarLoop]: 2426 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2426 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 08:44:46,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2426 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 08:44:46,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2025-03-17 08:44:46,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2025-03-17 08:44:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1140 states have (on average 1.3570175438596492) internal successors, (1547), 1177 states have internal predecessors, (1547), 434 states have call successors, (434), 92 states have call predecessors, (434), 91 states have return successors, (425), 419 states have call predecessors, (425), 425 states have call successors, (425) [2025-03-17 08:44:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2406 transitions. [2025-03-17 08:44:46,497 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2406 transitions. Word has length 80 [2025-03-17 08:44:46,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:44:46,498 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2406 transitions. [2025-03-17 08:44:46,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 08:44:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2406 transitions. [2025-03-17 08:44:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 08:44:46,502 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:44:46,502 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:44:46,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 08:44:46,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 08:44:46,703 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:44:46,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:44:46,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1173434037, now seen corresponding path program 1 times [2025-03-17 08:44:46,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:44:46,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876357967] [2025-03-17 08:44:46,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:46,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:44:47,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 08:44:47,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 08:44:47,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:44:47,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:44:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-17 08:44:47,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:44:47,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876357967] [2025-03-17 08:44:47,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876357967] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:44:47,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:44:47,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:44:47,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189551359] [2025-03-17 08:44:47,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:44:47,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:44:47,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:44:47,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:44:47,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:47,928 INFO L87 Difference]: Start difference. First operand 1666 states and 2406 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 08:44:48,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:44:48,461 INFO L93 Difference]: Finished difference Result 4924 states and 7115 transitions. [2025-03-17 08:44:48,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:44:48,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2025-03-17 08:44:48,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:44:48,492 INFO L225 Difference]: With dead ends: 4924 [2025-03-17 08:44:48,492 INFO L226 Difference]: Without dead ends: 3278 [2025-03-17 08:44:48,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:48,503 INFO L435 NwaCegarLoop]: 2437 mSDtfsCounter, 2347 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 4782 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 08:44:48,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 4782 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 08:44:48,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3278 states. [2025-03-17 08:44:48,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3278 to 3259. [2025-03-17 08:44:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3259 states, 2235 states have (on average 1.356599552572707) internal successors, (3032), 2303 states have internal predecessors, (3032), 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) [2025-03-17 08:44:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 3259 states and 4711 transitions. [2025-03-17 08:44:48,677 INFO L78 Accepts]: Start accepts. Automaton has 3259 states and 4711 transitions. Word has length 80 [2025-03-17 08:44:48,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:44:48,678 INFO L471 AbstractCegarLoop]: Abstraction has 3259 states and 4711 transitions. [2025-03-17 08:44:48,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 08:44:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3259 states and 4711 transitions. [2025-03-17 08:44:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-17 08:44:48,681 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:44:48,681 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:44:48,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 08:44:48,681 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:44:48,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:44:48,682 INFO L85 PathProgramCache]: Analyzing trace with hash -657442034, now seen corresponding path program 1 times [2025-03-17 08:44:48,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:44:48,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91094651] [2025-03-17 08:44:48,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:48,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:44:49,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-17 08:44:49,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-17 08:44:49,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:44:49,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:44:49,689 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-17 08:44:49,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:44:49,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91094651] [2025-03-17 08:44:49,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91094651] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:44:49,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:44:49,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:44:49,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124585573] [2025-03-17 08:44:49,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:44:49,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:44:49,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:44:49,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:44:49,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:49,690 INFO L87 Difference]: Start difference. First operand 3259 states and 4711 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-17 08:44:53,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 08:44:54,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:44:54,476 INFO L93 Difference]: Finished difference Result 9673 states and 13997 transitions. [2025-03-17 08:44:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:44:54,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 82 [2025-03-17 08:44:54,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:44:54,545 INFO L225 Difference]: With dead ends: 9673 [2025-03-17 08:44:54,545 INFO L226 Difference]: Without dead ends: 6434 [2025-03-17 08:44:54,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:54,572 INFO L435 NwaCegarLoop]: 2490 mSDtfsCounter, 2336 mSDsluCounter, 2357 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 4847 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-17 08:44:54,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2336 Valid, 4847 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-03-17 08:44:54,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6434 states. [2025-03-17 08:44:54,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6434 to 6424. [2025-03-17 08:44:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6424 states, 4415 states have (on average 1.356964892412231) internal successors, (5991), 4540 states have internal predecessors, (5991), 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) [2025-03-17 08:44:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6424 states to 6424 states and 9296 transitions. [2025-03-17 08:44:54,906 INFO L78 Accepts]: Start accepts. Automaton has 6424 states and 9296 transitions. Word has length 82 [2025-03-17 08:44:54,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:44:54,907 INFO L471 AbstractCegarLoop]: Abstraction has 6424 states and 9296 transitions. [2025-03-17 08:44:54,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-17 08:44:54,907 INFO L276 IsEmpty]: Start isEmpty. Operand 6424 states and 9296 transitions. [2025-03-17 08:44:54,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-17 08:44:54,910 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:44:54,911 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:44:54,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 08:44:54,911 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:44:54,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:44:54,911 INFO L85 PathProgramCache]: Analyzing trace with hash -141842427, now seen corresponding path program 1 times [2025-03-17 08:44:54,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:44:54,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783846165] [2025-03-17 08:44:54,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:54,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:44:55,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 08:44:55,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 08:44:55,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:44:55,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:44:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-17 08:44:55,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:44:55,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783846165] [2025-03-17 08:44:55,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783846165] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:44:55,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:44:55,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:44:55,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587009388] [2025-03-17 08:44:55,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:44:55,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:44:55,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:44:55,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:44:55,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:55,857 INFO L87 Difference]: Start difference. First operand 6424 states and 9296 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:44:56,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:44:56,134 INFO L93 Difference]: Finished difference Result 6426 states and 9297 transitions. [2025-03-17 08:44:56,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:44:56,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (9), 2 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 86 [2025-03-17 08:44:56,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:44:56,176 INFO L225 Difference]: With dead ends: 6426 [2025-03-17 08:44:56,176 INFO L226 Difference]: Without dead ends: 6423 [2025-03-17 08:44:56,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:56,184 INFO L435 NwaCegarLoop]: 2382 mSDtfsCounter, 2376 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2376 SdHoareTripleChecker+Valid, 2382 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:44:56,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2376 Valid, 2382 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:44:56,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6423 states. [2025-03-17 08:44:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6423 to 6423. [2025-03-17 08:44:56,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6423 states, 4415 states have (on average 1.3567383918459797) internal successors, (5990), 4539 states have internal predecessors, (5990), 1656 states have call successors, (1656), 352 states have call predecessors, (1656), 351 states have return successors, (1648), 1623 states have call predecessors, (1648), 1648 states have call successors, (1648) [2025-03-17 08:44:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6423 states to 6423 states and 9294 transitions. [2025-03-17 08:44:56,461 INFO L78 Accepts]: Start accepts. Automaton has 6423 states and 9294 transitions. Word has length 86 [2025-03-17 08:44:56,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:44:56,462 INFO L471 AbstractCegarLoop]: Abstraction has 6423 states and 9294 transitions. [2025-03-17 08:44:56,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:44:56,463 INFO L276 IsEmpty]: Start isEmpty. Operand 6423 states and 9294 transitions. [2025-03-17 08:44:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-17 08:44:56,467 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:44:56,468 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:44:56,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 08:44:56,468 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:44:56,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:44:56,468 INFO L85 PathProgramCache]: Analyzing trace with hash 668389113, now seen corresponding path program 1 times [2025-03-17 08:44:56,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:44:56,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473699167] [2025-03-17 08:44:56,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:56,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:44:57,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-17 08:44:57,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-17 08:44:57,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:44:57,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:44:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-17 08:44:57,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:44:57,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473699167] [2025-03-17 08:44:57,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473699167] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:44:57,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:44:57,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:44:57,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712886959] [2025-03-17 08:44:57,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:44:57,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:44:57,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:44:57,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:44:57,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:57,481 INFO L87 Difference]: Start difference. First operand 6423 states and 9294 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-17 08:44:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:44:58,197 INFO L93 Difference]: Finished difference Result 16533 states and 23776 transitions. [2025-03-17 08:44:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:44:58,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 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 88 [2025-03-17 08:44:58,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:44:58,284 INFO L225 Difference]: With dead ends: 16533 [2025-03-17 08:44:58,284 INFO L226 Difference]: Without dead ends: 10130 [2025-03-17 08:44:58,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:58,318 INFO L435 NwaCegarLoop]: 2506 mSDtfsCounter, 1405 mSDsluCounter, 2340 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1405 SdHoareTripleChecker+Valid, 4846 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 08:44:58,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1405 Valid, 4846 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 08:44:58,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10130 states. [2025-03-17 08:44:58,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10130 to 10111. [2025-03-17 08:44:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10111 states, 7033 states have (on average 1.3573155125835348) internal successors, (9546), 7211 states have internal predecessors, (9546), 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) [2025-03-17 08:44:58,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10111 states to 10111 states and 14482 transitions. [2025-03-17 08:44:58,776 INFO L78 Accepts]: Start accepts. Automaton has 10111 states and 14482 transitions. Word has length 88 [2025-03-17 08:44:58,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:44:58,778 INFO L471 AbstractCegarLoop]: Abstraction has 10111 states and 14482 transitions. [2025-03-17 08:44:58,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-17 08:44:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 10111 states and 14482 transitions. [2025-03-17 08:44:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-17 08:44:58,781 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:44:58,781 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:44:58,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 08:44:58,782 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:44:58,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:44:58,783 INFO L85 PathProgramCache]: Analyzing trace with hash -103161996, now seen corresponding path program 1 times [2025-03-17 08:44:58,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:44:58,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401275482] [2025-03-17 08:44:58,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:44:59,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-17 08:44:59,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-17 08:44:59,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:44:59,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:44:59,639 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-17 08:44:59,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:44:59,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401275482] [2025-03-17 08:44:59,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401275482] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:44:59,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:44:59,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:44:59,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042016008] [2025-03-17 08:44:59,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:44:59,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:44:59,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:44:59,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:44:59,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:59,641 INFO L87 Difference]: Start difference. First operand 10111 states and 14482 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:44:59,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:44:59,974 INFO L93 Difference]: Finished difference Result 10113 states and 14483 transitions. [2025-03-17 08:44:59,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:44:59,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 2 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 87 [2025-03-17 08:44:59,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:45:00,033 INFO L225 Difference]: With dead ends: 10113 [2025-03-17 08:45:00,033 INFO L226 Difference]: Without dead ends: 10110 [2025-03-17 08:45:00,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:00,044 INFO L435 NwaCegarLoop]: 2380 mSDtfsCounter, 2373 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 2380 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:45:00,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 2380 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:45:00,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10110 states. [2025-03-17 08:45:00,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10110 to 10110. [2025-03-17 08:45:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10110 states, 7033 states have (on average 1.3571733257500356) internal successors, (9545), 7210 states have internal predecessors, (9545), 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) [2025-03-17 08:45:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10110 states to 10110 states and 14480 transitions. [2025-03-17 08:45:00,423 INFO L78 Accepts]: Start accepts. Automaton has 10110 states and 14480 transitions. Word has length 87 [2025-03-17 08:45:00,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:45:00,424 INFO L471 AbstractCegarLoop]: Abstraction has 10110 states and 14480 transitions. [2025-03-17 08:45:00,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:45:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 10110 states and 14480 transitions. [2025-03-17 08:45:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-17 08:45:00,425 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:45:00,425 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:45:00,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 08:45:00,426 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:45:00,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:45:00,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1095930342, now seen corresponding path program 1 times [2025-03-17 08:45:00,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:45:00,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27069254] [2025-03-17 08:45:00,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:00,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:45:01,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-17 08:45:01,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-17 08:45:01,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:01,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:45:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-17 08:45:01,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:45:01,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27069254] [2025-03-17 08:45:01,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27069254] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:45:01,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:45:01,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:45:01,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293142068] [2025-03-17 08:45:01,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:45:01,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:45:01,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:45:01,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:45:01,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:01,217 INFO L87 Difference]: Start difference. First operand 10110 states and 14480 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:45:02,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:45:02,023 INFO L93 Difference]: Finished difference Result 13290 states and 18926 transitions. [2025-03-17 08:45:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:45:02,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 2 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 88 [2025-03-17 08:45:02,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:45:02,125 INFO L225 Difference]: With dead ends: 13290 [2025-03-17 08:45:02,125 INFO L226 Difference]: Without dead ends: 13286 [2025-03-17 08:45:02,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:02,142 INFO L435 NwaCegarLoop]: 3098 mSDtfsCounter, 2305 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2305 SdHoareTripleChecker+Valid, 4255 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 08:45:02,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2305 Valid, 4255 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 08:45:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13286 states. [2025-03-17 08:45:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13286 to 13284. [2025-03-17 08:45:02,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13284 states, 9205 states have (on average 1.3497012493210212) internal successors, (12424), 9424 states have internal predecessors, (12424), 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) [2025-03-17 08:45:02,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13284 states to 13284 states and 18917 transitions. [2025-03-17 08:45:02,982 INFO L78 Accepts]: Start accepts. Automaton has 13284 states and 18917 transitions. Word has length 88 [2025-03-17 08:45:02,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:45:02,983 INFO L471 AbstractCegarLoop]: Abstraction has 13284 states and 18917 transitions. [2025-03-17 08:45:02,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:45:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 13284 states and 18917 transitions. [2025-03-17 08:45:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-17 08:45:02,985 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:45:02,985 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:45:02,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 08:45:02,985 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:45:02,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:45:02,985 INFO L85 PathProgramCache]: Analyzing trace with hash -386913867, now seen corresponding path program 1 times [2025-03-17 08:45:02,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:45:02,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413344281] [2025-03-17 08:45:02,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:02,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:45:03,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-17 08:45:03,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-17 08:45:03,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:03,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:45:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-17 08:45:03,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:45:03,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413344281] [2025-03-17 08:45:03,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413344281] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:45:03,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:45:03,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:45:03,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698135085] [2025-03-17 08:45:03,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:45:03,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:45:03,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:45:03,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:45:03,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:03,945 INFO L87 Difference]: Start difference. First operand 13284 states and 18917 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:45:04,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:45:04,393 INFO L93 Difference]: Finished difference Result 13356 states and 18991 transitions. [2025-03-17 08:45:04,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:45:04,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 2 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 89 [2025-03-17 08:45:04,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:45:04,467 INFO L225 Difference]: With dead ends: 13356 [2025-03-17 08:45:04,467 INFO L226 Difference]: Without dead ends: 13352 [2025-03-17 08:45:04,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:04,480 INFO L435 NwaCegarLoop]: 2377 mSDtfsCounter, 2302 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2302 SdHoareTripleChecker+Valid, 2455 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 08:45:04,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2302 Valid, 2455 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 08:45:04,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13352 states. [2025-03-17 08:45:04,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13352 to 13350. [2025-03-17 08:45:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13350 states, 9245 states have (on average 1.3474310438074635) internal successors, (12457), 9462 states have internal predecessors, (12457), 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) [2025-03-17 08:45:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13350 states to 13350 states and 18980 transitions. [2025-03-17 08:45:04,977 INFO L78 Accepts]: Start accepts. Automaton has 13350 states and 18980 transitions. Word has length 89 [2025-03-17 08:45:04,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:45:04,978 INFO L471 AbstractCegarLoop]: Abstraction has 13350 states and 18980 transitions. [2025-03-17 08:45:04,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:45:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 13350 states and 18980 transitions. [2025-03-17 08:45:04,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-17 08:45:04,979 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:45:04,980 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:45:04,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 08:45:04,980 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:45:04,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:45:04,980 INFO L85 PathProgramCache]: Analyzing trace with hash 889554887, now seen corresponding path program 1 times [2025-03-17 08:45:04,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:45:04,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865672771] [2025-03-17 08:45:04,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:04,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:45:05,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-17 08:45:05,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-17 08:45:05,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:05,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:45:05,832 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-17 08:45:05,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:45:05,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865672771] [2025-03-17 08:45:05,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865672771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:45:05,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:45:05,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:45:05,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137504867] [2025-03-17 08:45:05,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:45:05,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:45:05,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:45:05,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:45:05,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:05,834 INFO L87 Difference]: Start difference. First operand 13350 states and 18980 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:45:06,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:45:06,262 INFO L93 Difference]: Finished difference Result 13352 states and 18981 transitions. [2025-03-17 08:45:06,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:45:06,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 90 [2025-03-17 08:45:06,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:45:06,327 INFO L225 Difference]: With dead ends: 13352 [2025-03-17 08:45:06,327 INFO L226 Difference]: Without dead ends: 13338 [2025-03-17 08:45:06,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:06,339 INFO L435 NwaCegarLoop]: 2371 mSDtfsCounter, 2360 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 2371 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:45:06,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2360 Valid, 2371 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:45:06,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2025-03-17 08:45:06,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2025-03-17 08:45:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13338 states, 9236 states have (on average 1.3467951494153314) internal successors, (12439), 9452 states have internal predecessors, (12439), 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) [2025-03-17 08:45:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18959 transitions. [2025-03-17 08:45:06,859 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18959 transitions. Word has length 90 [2025-03-17 08:45:06,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:45:06,859 INFO L471 AbstractCegarLoop]: Abstraction has 13338 states and 18959 transitions. [2025-03-17 08:45:06,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 08:45:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18959 transitions. [2025-03-17 08:45:06,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-03-17 08:45:06,867 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:45:06,867 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:45:06,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 08:45:06,868 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:45:06,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:45:06,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1354175401, now seen corresponding path program 1 times [2025-03-17 08:45:06,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:45:06,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157178693] [2025-03-17 08:45:06,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:06,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:45:07,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-17 08:45:07,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-17 08:45:07,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:07,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:45:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-03-17 08:45:08,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:45:08,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157178693] [2025-03-17 08:45:08,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157178693] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:45:08,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:45:08,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 08:45:08,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279793639] [2025-03-17 08:45:08,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:45:08,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 08:45:08,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:45:08,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 08:45:08,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 08:45:08,271 INFO L87 Difference]: Start difference. First operand 13338 states and 18959 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 08:45:12,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 08:45:14,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:45:14,186 INFO L93 Difference]: Finished difference Result 33270 states and 47293 transitions. [2025-03-17 08:45:14,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 08:45:14,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (15), 2 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 141 [2025-03-17 08:45:14,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:45:14,312 INFO L225 Difference]: With dead ends: 33270 [2025-03-17 08:45:14,312 INFO L226 Difference]: Without dead ends: 19962 [2025-03-17 08:45:14,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:45:14,374 INFO L435 NwaCegarLoop]: 2385 mSDtfsCounter, 2362 mSDsluCounter, 4665 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 7050 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-17 08:45:14,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 7050 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-03-17 08:45:14,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19962 states. [2025-03-17 08:45:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19962 to 19957. [2025-03-17 08:45:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19957 states, 13834 states have (on average 1.3470435159751337) internal successors, (18635), 14157 states have internal predecessors, (18635), 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) [2025-03-17 08:45:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19957 states to 19957 states and 28357 transitions. [2025-03-17 08:45:15,391 INFO L78 Accepts]: Start accepts. Automaton has 19957 states and 28357 transitions. Word has length 141 [2025-03-17 08:45:15,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:45:15,391 INFO L471 AbstractCegarLoop]: Abstraction has 19957 states and 28357 transitions. [2025-03-17 08:45:15,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 08:45:15,392 INFO L276 IsEmpty]: Start isEmpty. Operand 19957 states and 28357 transitions. [2025-03-17 08:45:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-17 08:45:15,399 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:45:15,399 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:45:15,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 08:45:15,399 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:45:15,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:45:15,400 INFO L85 PathProgramCache]: Analyzing trace with hash -215937625, now seen corresponding path program 1 times [2025-03-17 08:45:15,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:45:15,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550634978] [2025-03-17 08:45:15,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:15,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:45:16,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-17 08:45:16,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-17 08:45:16,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:16,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:45:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-03-17 08:45:16,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:45:16,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550634978] [2025-03-17 08:45:16,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550634978] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:45:16,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:45:16,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:45:16,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773778685] [2025-03-17 08:45:16,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:45:16,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:45:16,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:45:16,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:45:16,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:16,408 INFO L87 Difference]: Start difference. First operand 19957 states and 28357 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-17 08:45:20,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 08:45:21,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:45:21,260 INFO L93 Difference]: Finished difference Result 19959 states and 28358 transitions. [2025-03-17 08:45:21,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:45:21,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 142 [2025-03-17 08:45:21,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:45:21,377 INFO L225 Difference]: With dead ends: 19959 [2025-03-17 08:45:21,377 INFO L226 Difference]: Without dead ends: 19956 [2025-03-17 08:45:21,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:21,400 INFO L435 NwaCegarLoop]: 2372 mSDtfsCounter, 68 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 4670 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-03-17 08:45:21,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 4670 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2025-03-17 08:45:21,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19956 states. [2025-03-17 08:45:22,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19956 to 19956. [2025-03-17 08:45:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19956 states, 13834 states have (on average 1.3463206592453376) internal successors, (18625), 14156 states have internal predecessors, (18625), 4861 states have call successors, (4861), 1261 states have call predecessors, (4861), 1260 states have return successors, (4860), 4780 states have call predecessors, (4860), 4860 states have call successors, (4860) [2025-03-17 08:45:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19956 states to 19956 states and 28346 transitions. [2025-03-17 08:45:22,259 INFO L78 Accepts]: Start accepts. Automaton has 19956 states and 28346 transitions. Word has length 142 [2025-03-17 08:45:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:45:22,260 INFO L471 AbstractCegarLoop]: Abstraction has 19956 states and 28346 transitions. [2025-03-17 08:45:22,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-17 08:45:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 19956 states and 28346 transitions. [2025-03-17 08:45:22,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-03-17 08:45:22,296 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:45:22,296 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:45:22,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 08:45:22,296 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:45:22,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:45:22,296 INFO L85 PathProgramCache]: Analyzing trace with hash -668819917, now seen corresponding path program 1 times [2025-03-17 08:45:22,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:45:22,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830772185] [2025-03-17 08:45:22,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:22,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:45:22,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-17 08:45:22,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-17 08:45:22,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:22,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:45:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2025-03-17 08:45:23,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:45:23,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830772185] [2025-03-17 08:45:23,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830772185] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:45:23,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:45:23,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:45:23,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122316332] [2025-03-17 08:45:23,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:45:23,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:45:23,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:45:23,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:45:23,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:23,268 INFO L87 Difference]: Start difference. First operand 19956 states and 28346 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2025-03-17 08:45:27,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 08:45:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:45:28,822 INFO L93 Difference]: Finished difference Result 45546 states and 64568 transitions. [2025-03-17 08:45:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:45:28,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 205 [2025-03-17 08:45:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:45:29,005 INFO L225 Difference]: With dead ends: 45546 [2025-03-17 08:45:29,006 INFO L226 Difference]: Without dead ends: 25620 [2025-03-17 08:45:29,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:45:29,089 INFO L435 NwaCegarLoop]: 4198 mSDtfsCounter, 2117 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2117 SdHoareTripleChecker+Valid, 6420 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-03-17 08:45:29,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2117 Valid, 6420 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-03-17 08:45:29,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25620 states. [2025-03-17 08:45:30,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25620 to 25620. [2025-03-17 08:45:30,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25620 states, 17884 states have (on average 1.3470140908074257) internal successors, (24090), 18286 states have internal predecessors, (24090), 6066 states have call successors, (6066), 1670 states have call predecessors, (6066), 1669 states have return successors, (6065), 5961 states have call predecessors, (6065), 6065 states have call successors, (6065) [2025-03-17 08:45:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25620 states to 25620 states and 36221 transitions. [2025-03-17 08:45:30,215 INFO L78 Accepts]: Start accepts. Automaton has 25620 states and 36221 transitions. Word has length 205 [2025-03-17 08:45:30,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:45:30,216 INFO L471 AbstractCegarLoop]: Abstraction has 25620 states and 36221 transitions. [2025-03-17 08:45:30,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2025-03-17 08:45:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 25620 states and 36221 transitions. [2025-03-17 08:45:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2025-03-17 08:45:30,273 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:45:30,273 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:45:30,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 08:45:30,273 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:45:30,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:45:30,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1339533108, now seen corresponding path program 1 times [2025-03-17 08:45:30,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:45:30,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571592545] [2025-03-17 08:45:30,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:30,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:45:30,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 234 statements into 1 equivalence classes. [2025-03-17 08:45:31,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 234 of 234 statements. [2025-03-17 08:45:31,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:31,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:45:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2025-03-17 08:45:31,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:45:31,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571592545] [2025-03-17 08:45:31,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571592545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:45:31,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:45:31,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 08:45:31,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005027889] [2025-03-17 08:45:31,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:45:31,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 08:45:31,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:45:31,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 08:45:31,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 08:45:31,341 INFO L87 Difference]: Start difference. First operand 25620 states and 36221 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-17 08:45:35,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 08:45:37,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:45:37,709 INFO L93 Difference]: Finished difference Result 59863 states and 84805 transitions. [2025-03-17 08:45:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 08:45:37,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 234 [2025-03-17 08:45:37,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:45:37,932 INFO L225 Difference]: With dead ends: 59863 [2025-03-17 08:45:37,932 INFO L226 Difference]: Without dead ends: 34273 [2025-03-17 08:45:38,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:45:38,039 INFO L435 NwaCegarLoop]: 4467 mSDtfsCounter, 2132 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2132 SdHoareTripleChecker+Valid, 11281 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-17 08:45:38,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2132 Valid, 11281 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-03-17 08:45:38,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34273 states. [2025-03-17 08:45:39,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34273 to 25632. [2025-03-17 08:45:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25632 states, 17896 states have (on average 1.3467814036656236) internal successors, (24102), 18298 states have internal predecessors, (24102), 6066 states have call successors, (6066), 1670 states have call predecessors, (6066), 1669 states have return successors, (6065), 5961 states have call predecessors, (6065), 6065 states have call successors, (6065) [2025-03-17 08:45:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25632 states to 25632 states and 36233 transitions. [2025-03-17 08:45:39,762 INFO L78 Accepts]: Start accepts. Automaton has 25632 states and 36233 transitions. Word has length 234 [2025-03-17 08:45:39,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:45:39,762 INFO L471 AbstractCegarLoop]: Abstraction has 25632 states and 36233 transitions. [2025-03-17 08:45:39,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-17 08:45:39,762 INFO L276 IsEmpty]: Start isEmpty. Operand 25632 states and 36233 transitions. [2025-03-17 08:45:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2025-03-17 08:45:39,825 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:45:39,826 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:45:39,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 08:45:39,826 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:45:39,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:45:39,826 INFO L85 PathProgramCache]: Analyzing trace with hash -35338437, now seen corresponding path program 1 times [2025-03-17 08:45:39,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:45:39,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627924420] [2025-03-17 08:45:39,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:39,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:45:40,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 313 statements into 1 equivalence classes. [2025-03-17 08:45:40,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 313 of 313 statements. [2025-03-17 08:45:40,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:40,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:45:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2025-03-17 08:45:41,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:45:41,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627924420] [2025-03-17 08:45:41,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627924420] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 08:45:41,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204009959] [2025-03-17 08:45:41,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:41,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 08:45:41,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 08:45:41,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 08:45:41,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 08:45:42,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 313 statements into 1 equivalence classes. [2025-03-17 08:45:42,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 313 of 313 statements. [2025-03-17 08:45:42,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:42,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:45:42,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 3522 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 08:45:42,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 08:45:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2025-03-17 08:45:43,145 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 08:45:43,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204009959] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:45:43,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 08:45:43,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-17 08:45:43,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222327583] [2025-03-17 08:45:43,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:45:43,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:45:43,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:45:43,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:45:43,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:45:43,147 INFO L87 Difference]: Start difference. First operand 25632 states and 36233 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2025-03-17 08:45:44,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:45:44,874 INFO L93 Difference]: Finished difference Result 57586 states and 81330 transitions. [2025-03-17 08:45:44,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:45:44,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 313 [2025-03-17 08:45:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:45:45,072 INFO L225 Difference]: With dead ends: 57586 [2025-03-17 08:45:45,073 INFO L226 Difference]: Without dead ends: 31984 [2025-03-17 08:45:45,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:45:45,177 INFO L435 NwaCegarLoop]: 2368 mSDtfsCounter, 2281 mSDsluCounter, 2183 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 08:45:45,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 4551 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 08:45:45,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31984 states. [2025-03-17 08:45:46,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31984 to 31984. [2025-03-17 08:45:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31984 states, 22326 states have (on average 1.3463674639433845) internal successors, (30059), 22848 states have internal predecessors, (30059), 7531 states have call successors, (7531), 2127 states have call predecessors, (7531), 2126 states have return successors, (7530), 7402 states have call predecessors, (7530), 7530 states have call successors, (7530) [2025-03-17 08:45:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31984 states to 31984 states and 45120 transitions. [2025-03-17 08:45:46,940 INFO L78 Accepts]: Start accepts. Automaton has 31984 states and 45120 transitions. Word has length 313 [2025-03-17 08:45:46,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:45:46,940 INFO L471 AbstractCegarLoop]: Abstraction has 31984 states and 45120 transitions. [2025-03-17 08:45:46,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2025-03-17 08:45:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 31984 states and 45120 transitions. [2025-03-17 08:45:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2025-03-17 08:45:47,039 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:45:47,040 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:45:47,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 08:45:47,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-17 08:45:47,240 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:45:47,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:45:47,241 INFO L85 PathProgramCache]: Analyzing trace with hash 811678735, now seen corresponding path program 1 times [2025-03-17 08:45:47,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:45:47,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380340060] [2025-03-17 08:45:47,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:45:47,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:45:47,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 375 statements into 1 equivalence classes. [2025-03-17 08:45:48,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 375 of 375 statements. [2025-03-17 08:45:48,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:45:48,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat