./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC --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-dev-6497de0 [2024-11-24 01:35:50,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:35:50,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:35:50,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:35:50,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:35:50,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:35:50,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:35:50,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:35:50,675 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:35:50,675 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:35:50,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:35:50,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:35:50,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:35:50,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:35:50,678 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:35:50,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:35:50,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:35:50,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:35:50,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:35:50,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:35:50,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:35:50,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:35:50,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:35:50,679 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:35:50,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:35:50,680 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:35:50,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:35:50,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:35:50,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:35:50,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:35:50,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:35:50,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:35:50,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:35:50,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:35:50,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:35:50,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:35:50,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:35:50,682 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:35:50,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:35:50,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:35:50,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:35:50,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:35:50,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:35:50,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:35:50,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:35:50,683 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 [2024-11-24 01:35:51,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:35:51,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:35:51,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:35:51,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:35:51,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:35:51,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-11-24 01:35:54,684 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/data/4355703dc/995b70c660a142ae8e1e1db2b084b6b6/FLAGf5ad7694f [2024-11-24 01:35:55,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:35:55,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-11-24 01:35:55,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/data/4355703dc/995b70c660a142ae8e1e1db2b084b6b6/FLAGf5ad7694f [2024-11-24 01:35:55,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/data/4355703dc/995b70c660a142ae8e1e1db2b084b6b6 [2024-11-24 01:35:55,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:35:55,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:35:55,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:35:55,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:35:55,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:35:55,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:35:55" (1/1) ... [2024-11-24 01:35:55,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7644341c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:55, skipping insertion in model container [2024-11-24 01:35:55,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:35:55" (1/1) ... [2024-11-24 01:35:55,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:35:57,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2024-11-24 01:35:58,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:35:58,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:35:58,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3942] [2024-11-24 01:35:58,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3949] [2024-11-24 01:35:58,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3956] [2024-11-24 01:35:58,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3964-3965] [2024-11-24 01:35:58,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3974] [2024-11-24 01:35:58,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [4041-4042] [2024-11-24 01:35:58,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4047-4049] [2024-11-24 01:35:58,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [4071-4072] [2024-11-24 01:35:58,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4077-4079] [2024-11-24 01:35:58,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [4100-4101] [2024-11-24 01:35:58,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4106-4108] [2024-11-24 01:35:58,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (90), "i" (12UL)); [4417-4418] [2024-11-24 01:35:58,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (92), "i" (12UL)); [4425-4426] [2024-11-24 01:35:58,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (93), "i" (12UL)); [4433-4434] [2024-11-24 01:35:58,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [4460-4461] [2024-11-24 01:35:58,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [4468-4469] [2024-11-24 01:35:58,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (193), "i" (12UL)); [4483-4484] [2024-11-24 01:35:58,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (464), "i" (12UL)); [5073-5074] [2024-11-24 01:35:58,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (577), "i" (12UL)); [5187-5188] [2024-11-24 01:35:58,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (653), "i" (12UL)); [5278-5279] [2024-11-24 01:35:58,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (676), "i" (12UL)); [5315-5316] [2024-11-24 01:35:58,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (719), "i" (12UL)); [5367-5368] [2024-11-24 01:35:58,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (953), "i" (12UL)); [5680-5681] [2024-11-24 01:35:58,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (1004), "i" (12UL)); [5753-5754] [2024-11-24 01:35:58,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (1262), "i" (12UL)); [6134-6135] [2024-11-24 01:35:58,630 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2024-11-24 01:35:58,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:35:58,770 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:35:58,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58 WrapperNode [2024-11-24 01:35:58,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:35:58,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:35:58,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:35:58,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:35:58,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:35:58,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:35:59,106 INFO L138 Inliner]: procedures = 308, calls = 1840, calls flagged for inlining = 110, calls inlined = 101, statements flattened = 4110 [2024-11-24 01:35:59,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:35:59,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:35:59,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:35:59,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:35:59,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:35:59,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:35:59,146 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:35:59,875 INFO L175 MemorySlicer]: Split 675 memory accesses to 15 slices as follows [4, 2, 23, 2, 4, 10, 7, 6, 3, 8, 0, 1, 555, 16, 34]. 82 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0]. The 289 writes are split as follows [1, 0, 23, 1, 1, 5, 4, 4, 0, 0, 0, 1, 220, 0, 29]. [2024-11-24 01:35:59,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:35:59,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:36:00,017 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:36:00,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:36:00,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:36:00,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:36:00,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:36:00,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:36:00,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:36:00,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:36:00,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:36:00,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (1/1) ... [2024-11-24 01:36:00,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:36:00,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:36:00,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:36:00,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee199b-4414-48b6-bf24-fce1c3d8ddfd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:36:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-24 01:36:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-24 01:36:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_memstick_host [2024-11-24 01:36:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_memstick_host [2024-11-24 01:36:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-24 01:36:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-24 01:36:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:36:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:36:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:36:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:36:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:36:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2024-11-24 01:36:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2024-11-24 01:36:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2024-11-24 01:36:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2024-11-24 01:36:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-24 01:36:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-24 01:36:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:36:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:36:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2024-11-24 01:36:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2024-11-24 01:36:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-24 01:36:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-24 01:36:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-24 01:36:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-24 01:36:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 01:36:00,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 01:36:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 01:36:00,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 01:36:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2024-11-24 01:36:00,272 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2024-11-24 01:36:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:36:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:36:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:36:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:36:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:36:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:36:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:36:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:36:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:36:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 01:36:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 01:36:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 01:36:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 01:36:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 01:36:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 01:36:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:36:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:36:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:36:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:36:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:36:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:36:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:36:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:36:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:36:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 01:36:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 01:36:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 01:36:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 01:36:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 01:36:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 01:36:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:36:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:36:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2024-11-24 01:36:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2024-11-24 01:36:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-24 01:36:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-24 01:36:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure msb_verify_block [2024-11-24 01:36:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_verify_block [2024-11-24 01:36:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 01:36:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 01:36:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2024-11-24 01:36:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2024-11-24 01:36:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_msb_disk_lock [2024-11-24 01:36:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_msb_disk_lock [2024-11-24 01:36:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:36:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_write [2024-11-24 01:36:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_write [2024-11-24 01:36:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-24 01:36:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-24 01:36:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2024-11-24 01:36:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2024-11-24 01:36:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request [2024-11-24 01:36:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-11-24 01:36:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-11-24 01:36:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2024-11-24 01:36:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure msb_io_work [2024-11-24 01:36:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_io_work [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-24 01:36:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2024-11-24 01:36:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2024-11-24 01:36:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:36:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:36:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:36:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:36:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:36:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:36:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:36:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:36:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:36:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:36:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2024-11-24 01:36:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2024-11-24 01:36:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2024-11-24 01:36:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2024-11-24 01:36:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-24 01:36:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-24 01:36:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-24 01:36:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-24 01:36:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-24 01:36:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-24 01:36:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-24 01:36:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-24 01:36:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-24 01:36:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-24 01:36:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2024-11-24 01:36:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2024-11-24 01:36:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure msb_update_block [2024-11-24 01:36:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_update_block [2024-11-24 01:36:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_flush [2024-11-24 01:36:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_flush [2024-11-24 01:36:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2024-11-24 01:36:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2024-11-24 01:36:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-11-24 01:36:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-11-24 01:36:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2024-11-24 01:36:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2024-11-24 01:36:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2024-11-24 01:36:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2024-11-24 01:36:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure msb_sg_copy [2024-11-24 01:36:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_sg_copy [2024-11-24 01:36:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-11-24 01:36:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-11-24 01:36:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-24 01:36:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-24 01:36:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2024-11-24 01:36:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2024-11-24 01:36:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:36:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:36:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:36:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:36:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_memstick_host [2024-11-24 01:36:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_memstick_host [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:36:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-24 01:36:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2024-11-24 01:36:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2024-11-24 01:36:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2024-11-24 01:36:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2024-11-24 01:36:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 01:36:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 01:36:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-24 01:36:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure msb_bd_getgeo [2024-11-24 01:36:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_bd_getgeo [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:36:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2024-11-24 01:36:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:36:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2024-11-24 01:36:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2024-11-24 01:36:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-24 01:36:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2024-11-24 01:36:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-24 01:36:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2024-11-24 01:36:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:36:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:36:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:36:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:36:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:36:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:36:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:36:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:36:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:36:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:36:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:36:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:36:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:36:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:36:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2024-11-24 01:36:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2024-11-24 01:36:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2024-11-24 01:36:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2024-11-24 01:36:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2024-11-24 01:36:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2024-11-24 01:36:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2024-11-24 01:36:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2024-11-24 01:36:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2024-11-24 01:36:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2024-11-24 01:36:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-11-24 01:36:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-11-24 01:36:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2024-11-24 01:36:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2024-11-24 01:36:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2024-11-24 01:36:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2024-11-24 01:36:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2024-11-24 01:36:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2024-11-24 01:36:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 01:36:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 01:36:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2024-11-24 01:36:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2024-11-24 01:36:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-24 01:36:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-24 01:36:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-24 01:36:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-24 01:36:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2024-11-24 01:36:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2024-11-24 01:36:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2024-11-24 01:36:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2024-11-24 01:36:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2024-11-24 01:36:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2024-11-24 01:36:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-24 01:36:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-24 01:36:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:36:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:36:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:36:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:36:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:36:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:36:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2024-11-24 01:36:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2024-11-24 01:36:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-11-24 01:36:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-11-24 01:36:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_msb_disk_lock [2024-11-24 01:36:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_msb_disk_lock [2024-11-24 01:36:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:36:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:36:01,279 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:36:01,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:36:01,345 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:36:11,359 INFO L? ?]: Removed 1492 outVars from TransFormulas that were not future-live. [2024-11-24 01:36:11,360 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:36:11,435 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:36:11,435 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 01:36:11,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:11 BoogieIcfgContainer [2024-11-24 01:36:11,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:36:11,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:36:11,443 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:36:11,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:36:11,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:35:55" (1/3) ... [2024-11-24 01:36:11,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70023fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:36:11, skipping insertion in model container [2024-11-24 01:36:11,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:58" (2/3) ... [2024-11-24 01:36:11,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70023fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:36:11, skipping insertion in model container [2024-11-24 01:36:11,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:11" (3/3) ... [2024-11-24 01:36:11,452 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-11-24 01:36:11,472 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:36:11,475 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, 1780 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2024-11-24 01:36:11,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:36:11,707 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;@ee230fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:36:11,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:36:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 1739 states, 1205 states have (on average 1.35850622406639) internal successors, (1637), 1250 states have internal predecessors, (1637), 440 states have call successors, (440), 93 states have call predecessors, (440), 92 states have return successors, (434), 428 states have call predecessors, (434), 434 states have call successors, (434) [2024-11-24 01:36:11,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-24 01:36:11,741 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:11,742 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] [2024-11-24 01:36:11,743 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:11,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:11,750 INFO L85 PathProgramCache]: Analyzing trace with hash 453627514, now seen corresponding path program 1 times [2024-11-24 01:36:11,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:11,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673627025] [2024-11-24 01:36:11,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:11,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-24 01:36:14,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:14,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673627025] [2024-11-24 01:36:14,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673627025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:14,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:14,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:14,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007506920] [2024-11-24 01:36:14,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:14,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:14,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:14,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:14,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:14,664 INFO L87 Difference]: Start difference. First operand has 1739 states, 1205 states have (on average 1.35850622406639) internal successors, (1637), 1250 states have internal predecessors, (1637), 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 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-24 01:36:15,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:15,405 INFO L93 Difference]: Finished difference Result 5148 states and 7570 transitions. [2024-11-24 01:36:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:15,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 84 [2024-11-24 01:36:15,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:15,496 INFO L225 Difference]: With dead ends: 5148 [2024-11-24 01:36:15,496 INFO L226 Difference]: Without dead ends: 3367 [2024-11-24 01:36:15,527 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 [2024-11-24 01:36:15,533 INFO L435 NwaCegarLoop]: 2547 mSDtfsCounter, 2429 mSDsluCounter, 2451 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2429 SdHoareTripleChecker+Valid, 4998 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:15,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2429 Valid, 4998 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:36:15,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2024-11-24 01:36:16,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 3345. [2024-11-24 01:36:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3345 states, 2321 states have (on average 1.3433864713485566) internal successors, (3118), 2389 states have internal predecessors, (3118), 844 states have call successors, (844), 180 states have call predecessors, (844), 179 states have return successors, (835), 821 states have call predecessors, (835), 835 states have call successors, (835) [2024-11-24 01:36:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 3345 states and 4797 transitions. [2024-11-24 01:36:16,098 INFO L78 Accepts]: Start accepts. Automaton has 3345 states and 4797 transitions. Word has length 84 [2024-11-24 01:36:16,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:16,099 INFO L471 AbstractCegarLoop]: Abstraction has 3345 states and 4797 transitions. [2024-11-24 01:36:16,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-24 01:36:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3345 states and 4797 transitions. [2024-11-24 01:36:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 01:36:16,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:16,105 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] [2024-11-24 01:36:16,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:36:16,105 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:16,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:16,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1050186268, now seen corresponding path program 1 times [2024-11-24 01:36:16,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:16,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131194001] [2024-11-24 01:36:16,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:16,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-24 01:36:18,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:18,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131194001] [2024-11-24 01:36:18,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131194001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:18,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:18,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:18,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255113550] [2024-11-24 01:36:18,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:18,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:18,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:18,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:18,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:18,771 INFO L87 Difference]: Start difference. First operand 3345 states and 4797 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-24 01:36:22,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:36:23,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:23,335 INFO L93 Difference]: Finished difference Result 9917 states and 14241 transitions. [2024-11-24 01:36:23,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:23,336 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), 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 89 [2024-11-24 01:36:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:23,419 INFO L225 Difference]: With dead ends: 9917 [2024-11-24 01:36:23,419 INFO L226 Difference]: Without dead ends: 6596 [2024-11-24 01:36:23,447 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 [2024-11-24 01:36:23,448 INFO L435 NwaCegarLoop]: 2561 mSDtfsCounter, 2375 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2375 SdHoareTripleChecker+Valid, 4986 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:23,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2375 Valid, 4986 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:36:23,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6596 states. [2024-11-24 01:36:23,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6596 to 6585. [2024-11-24 01:36:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6585 states, 4576 states have (on average 1.3444055944055944) internal successors, (6152), 4701 states have internal predecessors, (6152), 1657 states have call successors, (1657), 352 states have call predecessors, (1657), 351 states have return successors, (1648), 1623 states have call predecessors, (1648), 1648 states have call successors, (1648) [2024-11-24 01:36:24,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6585 states to 6585 states and 9457 transitions. [2024-11-24 01:36:24,044 INFO L78 Accepts]: Start accepts. Automaton has 6585 states and 9457 transitions. Word has length 89 [2024-11-24 01:36:24,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:24,046 INFO L471 AbstractCegarLoop]: Abstraction has 6585 states and 9457 transitions. [2024-11-24 01:36:24,047 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), 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) [2024-11-24 01:36:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 6585 states and 9457 transitions. [2024-11-24 01:36:24,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 01:36:24,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:24,055 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, 1, 1] [2024-11-24 01:36:24,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:36:24,056 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:24,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:24,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1592763328, now seen corresponding path program 1 times [2024-11-24 01:36:24,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:24,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943600356] [2024-11-24 01:36:24,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:24,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-24 01:36:25,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:25,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943600356] [2024-11-24 01:36:25,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943600356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:25,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:25,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:25,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191739097] [2024-11-24 01:36:25,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:25,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:25,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:25,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:25,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:25,871 INFO L87 Difference]: Start difference. First operand 6585 states and 9457 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-24 01:36:26,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:26,571 INFO L93 Difference]: Finished difference Result 16929 states and 24175 transitions. [2024-11-24 01:36:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:26,572 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), 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 92 [2024-11-24 01:36:26,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:26,680 INFO L225 Difference]: With dead ends: 16929 [2024-11-24 01:36:26,680 INFO L226 Difference]: Without dead ends: 10368 [2024-11-24 01:36:26,731 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 [2024-11-24 01:36:26,734 INFO L435 NwaCegarLoop]: 2587 mSDtfsCounter, 1432 mSDsluCounter, 2407 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 4994 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:26,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1432 Valid, 4994 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:36:26,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10368 states. [2024-11-24 01:36:27,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10368 to 10345. [2024-11-24 01:36:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10345 states, 7266 states have (on average 1.3459950454170106) internal successors, (9780), 7445 states have internal predecessors, (9780), 2473 states have call successors, (2473), 606 states have call predecessors, (2473), 605 states have return successors, (2464), 2423 states have call predecessors, (2464), 2464 states have call successors, (2464) [2024-11-24 01:36:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10345 states to 10345 states and 14717 transitions. [2024-11-24 01:36:27,594 INFO L78 Accepts]: Start accepts. Automaton has 10345 states and 14717 transitions. Word has length 92 [2024-11-24 01:36:27,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:27,595 INFO L471 AbstractCegarLoop]: Abstraction has 10345 states and 14717 transitions. [2024-11-24 01:36:27,595 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), 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) [2024-11-24 01:36:27,596 INFO L276 IsEmpty]: Start isEmpty. Operand 10345 states and 14717 transitions. [2024-11-24 01:36:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-24 01:36:27,600 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:27,600 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] [2024-11-24 01:36:27,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:36:27,600 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:27,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:27,603 INFO L85 PathProgramCache]: Analyzing trace with hash 445862341, now seen corresponding path program 1 times [2024-11-24 01:36:27,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:27,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859902671] [2024-11-24 01:36:27,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-24 01:36:29,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:29,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859902671] [2024-11-24 01:36:29,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859902671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:29,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:29,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:29,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29560525] [2024-11-24 01:36:29,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:29,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:29,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:29,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:29,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:29,897 INFO L87 Difference]: Start difference. First operand 10345 states and 14717 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) [2024-11-24 01:36:30,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:30,281 INFO L93 Difference]: Finished difference Result 10347 states and 14718 transitions. [2024-11-24 01:36:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:30,282 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 [2024-11-24 01:36:30,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:30,405 INFO L225 Difference]: With dead ends: 10347 [2024-11-24 01:36:30,406 INFO L226 Difference]: Without dead ends: 10344 [2024-11-24 01:36:30,415 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 [2024-11-24 01:36:30,416 INFO L435 NwaCegarLoop]: 2451 mSDtfsCounter, 2420 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:30,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 2451 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:30,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10344 states. [2024-11-24 01:36:30,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10344 to 10344. [2024-11-24 01:36:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10344 states, 7266 states have (on average 1.3458574181117533) internal successors, (9779), 7444 states have internal predecessors, (9779), 2472 states have call successors, (2472), 606 states have call predecessors, (2472), 605 states have return successors, (2464), 2423 states have call predecessors, (2464), 2464 states have call successors, (2464) [2024-11-24 01:36:31,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10344 states to 10344 states and 14715 transitions. [2024-11-24 01:36:31,100 INFO L78 Accepts]: Start accepts. Automaton has 10344 states and 14715 transitions. Word has length 90 [2024-11-24 01:36:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:31,100 INFO L471 AbstractCegarLoop]: Abstraction has 10344 states and 14715 transitions. [2024-11-24 01:36:31,101 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) [2024-11-24 01:36:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 10344 states and 14715 transitions. [2024-11-24 01:36:31,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 01:36:31,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:31,103 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, 1] [2024-11-24 01:36:31,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:36:31,105 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:31,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:31,106 INFO L85 PathProgramCache]: Analyzing trace with hash 936195387, now seen corresponding path program 1 times [2024-11-24 01:36:31,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:31,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053621227] [2024-11-24 01:36:31,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:31,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-24 01:36:32,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:32,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053621227] [2024-11-24 01:36:32,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053621227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:32,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:32,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:32,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065919391] [2024-11-24 01:36:32,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:32,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:32,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:32,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:32,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:32,969 INFO L87 Difference]: Start difference. First operand 10344 states and 14715 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-24 01:36:33,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:33,391 INFO L93 Difference]: Finished difference Result 10346 states and 14716 transitions. [2024-11-24 01:36:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:33,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 91 [2024-11-24 01:36:33,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:33,477 INFO L225 Difference]: With dead ends: 10346 [2024-11-24 01:36:33,477 INFO L226 Difference]: Without dead ends: 10343 [2024-11-24 01:36:33,487 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 [2024-11-24 01:36:33,489 INFO L435 NwaCegarLoop]: 2449 mSDtfsCounter, 2417 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 2449 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:33,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 2449 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:33,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10343 states. [2024-11-24 01:36:34,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10343 to 10343. [2024-11-24 01:36:34,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10343 states, 7266 states have (on average 1.345719790806496) internal successors, (9778), 7443 states have internal predecessors, (9778), 2471 states have call successors, (2471), 606 states have call predecessors, (2471), 605 states have return successors, (2464), 2423 states have call predecessors, (2464), 2464 states have call successors, (2464) [2024-11-24 01:36:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10343 states to 10343 states and 14713 transitions. [2024-11-24 01:36:34,368 INFO L78 Accepts]: Start accepts. Automaton has 10343 states and 14713 transitions. Word has length 91 [2024-11-24 01:36:34,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:34,369 INFO L471 AbstractCegarLoop]: Abstraction has 10343 states and 14713 transitions. [2024-11-24 01:36:34,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-24 01:36:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 10343 states and 14713 transitions. [2024-11-24 01:36:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 01:36:34,375 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:34,375 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, 1, 1] [2024-11-24 01:36:34,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:36:34,375 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:34,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:34,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1043344504, now seen corresponding path program 1 times [2024-11-24 01:36:34,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:34,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725156033] [2024-11-24 01:36:34,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-24 01:36:36,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:36,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725156033] [2024-11-24 01:36:36,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725156033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:36,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:36,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:36,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946185414] [2024-11-24 01:36:36,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:36,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:36,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:36,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:36,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:36,507 INFO L87 Difference]: Start difference. First operand 10343 states and 14713 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-24 01:36:37,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:37,156 INFO L93 Difference]: Finished difference Result 13591 states and 19227 transitions. [2024-11-24 01:36:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:37,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 92 [2024-11-24 01:36:37,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:37,261 INFO L225 Difference]: With dead ends: 13591 [2024-11-24 01:36:37,261 INFO L226 Difference]: Without dead ends: 13587 [2024-11-24 01:36:37,274 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 [2024-11-24 01:36:37,276 INFO L435 NwaCegarLoop]: 3182 mSDtfsCounter, 2350 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 4369 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:37,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 4369 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:37,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13587 states. [2024-11-24 01:36:38,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13587 to 13585. [2024-11-24 01:36:38,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13585 states, 9506 states have (on average 1.3386282347990743) internal successors, (12725), 9725 states have internal predecessors, (12725), 3249 states have call successors, (3249), 830 states have call predecessors, (3249), 829 states have return successors, (3244), 3191 states have call predecessors, (3244), 3244 states have call successors, (3244) [2024-11-24 01:36:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13585 states to 13585 states and 19218 transitions. [2024-11-24 01:36:38,238 INFO L78 Accepts]: Start accepts. Automaton has 13585 states and 19218 transitions. Word has length 92 [2024-11-24 01:36:38,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:38,238 INFO L471 AbstractCegarLoop]: Abstraction has 13585 states and 19218 transitions. [2024-11-24 01:36:38,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-24 01:36:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 13585 states and 19218 transitions. [2024-11-24 01:36:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-24 01:36:38,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:38,241 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, 1, 1, 1] [2024-11-24 01:36:38,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:36:38,242 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:38,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:38,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2015433182, now seen corresponding path program 1 times [2024-11-24 01:36:38,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:38,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540500441] [2024-11-24 01:36:38,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:38,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-24 01:36:39,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:39,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540500441] [2024-11-24 01:36:39,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540500441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:39,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:39,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:39,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837780728] [2024-11-24 01:36:39,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:39,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:39,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:39,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:39,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:39,687 INFO L87 Difference]: Start difference. First operand 13585 states and 19218 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-24 01:36:40,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:40,428 INFO L93 Difference]: Finished difference Result 13657 states and 19292 transitions. [2024-11-24 01:36:40,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:40,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 93 [2024-11-24 01:36:40,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:40,525 INFO L225 Difference]: With dead ends: 13657 [2024-11-24 01:36:40,525 INFO L226 Difference]: Without dead ends: 13653 [2024-11-24 01:36:40,537 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 [2024-11-24 01:36:40,539 INFO L435 NwaCegarLoop]: 2446 mSDtfsCounter, 2346 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 2524 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:40,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2346 Valid, 2524 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:40,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13653 states. [2024-11-24 01:36:41,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13653 to 13651. [2024-11-24 01:36:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13651 states, 9546 states have (on average 1.3364760108946157) internal successors, (12758), 9763 states have internal predecessors, (12758), 3263 states have call successors, (3263), 842 states have call predecessors, (3263), 841 states have return successors, (3260), 3207 states have call predecessors, (3260), 3260 states have call successors, (3260) [2024-11-24 01:36:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13651 states to 13651 states and 19281 transitions. [2024-11-24 01:36:41,561 INFO L78 Accepts]: Start accepts. Automaton has 13651 states and 19281 transitions. Word has length 93 [2024-11-24 01:36:41,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:41,562 INFO L471 AbstractCegarLoop]: Abstraction has 13651 states and 19281 transitions. [2024-11-24 01:36:41,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-24 01:36:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 13651 states and 19281 transitions. [2024-11-24 01:36:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-24 01:36:41,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:41,567 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, 1, 1, 1, 1] [2024-11-24 01:36:41,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:36:41,567 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:41,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:41,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1946701493, now seen corresponding path program 1 times [2024-11-24 01:36:41,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:41,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502997227] [2024-11-24 01:36:41,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:41,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-24 01:36:43,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:43,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502997227] [2024-11-24 01:36:43,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502997227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:43,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:43,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:43,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249913422] [2024-11-24 01:36:43,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:43,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:43,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:43,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:43,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:43,615 INFO L87 Difference]: Start difference. First operand 13651 states and 19281 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-24 01:36:44,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:44,317 INFO L93 Difference]: Finished difference Result 13653 states and 19282 transitions. [2024-11-24 01:36:44,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:44,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 94 [2024-11-24 01:36:44,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:44,420 INFO L225 Difference]: With dead ends: 13653 [2024-11-24 01:36:44,420 INFO L226 Difference]: Without dead ends: 13636 [2024-11-24 01:36:44,433 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 [2024-11-24 01:36:44,434 INFO L435 NwaCegarLoop]: 2440 mSDtfsCounter, 2404 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:44,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2404 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:44,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13636 states. [2024-11-24 01:36:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13636 to 13636. [2024-11-24 01:36:45,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13636 states, 9534 states have (on average 1.3359555275854835) internal successors, (12737), 9750 states have internal predecessors, (12737), 3261 states have call successors, (3261), 841 states have call predecessors, (3261), 840 states have return successors, (3259), 3206 states have call predecessors, (3259), 3259 states have call successors, (3259) [2024-11-24 01:36:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13636 states to 13636 states and 19257 transitions. [2024-11-24 01:36:45,613 INFO L78 Accepts]: Start accepts. Automaton has 13636 states and 19257 transitions. Word has length 94 [2024-11-24 01:36:45,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:45,614 INFO L471 AbstractCegarLoop]: Abstraction has 13636 states and 19257 transitions. [2024-11-24 01:36:45,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-24 01:36:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 13636 states and 19257 transitions. [2024-11-24 01:36:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 01:36:45,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:45,631 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, 1, 1, 1, 1, 1] [2024-11-24 01:36:45,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:36:45,632 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:45,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:45,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2108277673, now seen corresponding path program 1 times [2024-11-24 01:36:45,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:45,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509083155] [2024-11-24 01:36:45,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-24 01:36:48,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:48,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509083155] [2024-11-24 01:36:48,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509083155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:48,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:48,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:36:48,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036044427] [2024-11-24 01:36:48,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:48,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:36:48,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:48,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:36:48,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:36:48,224 INFO L87 Difference]: Start difference. First operand 13636 states and 19257 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-24 01:36:50,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:50,319 INFO L93 Difference]: Finished difference Result 34005 states and 48028 transitions. [2024-11-24 01:36:50,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:36:50,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 147 [2024-11-24 01:36:50,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:50,541 INFO L225 Difference]: With dead ends: 34005 [2024-11-24 01:36:50,542 INFO L226 Difference]: Without dead ends: 20403 [2024-11-24 01:36:50,612 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 [2024-11-24 01:36:50,612 INFO L435 NwaCegarLoop]: 2451 mSDtfsCounter, 2405 mSDsluCounter, 4791 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 7242 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:50,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 7242 Invalid, 64 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:36:50,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20403 states. [2024-11-24 01:36:52,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20403 to 20397. [2024-11-24 01:36:52,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20397 states, 14274 states have (on average 1.3363458035589184) internal successors, (19075), 14597 states have internal predecessors, (19075), 4862 states have call successors, (4862), 1261 states have call predecessors, (4862), 1260 states have return successors, (4860), 4780 states have call predecessors, (4860), 4860 states have call successors, (4860) [2024-11-24 01:36:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20397 states to 20397 states and 28797 transitions. [2024-11-24 01:36:52,668 INFO L78 Accepts]: Start accepts. Automaton has 20397 states and 28797 transitions. Word has length 147 [2024-11-24 01:36:52,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:52,669 INFO L471 AbstractCegarLoop]: Abstraction has 20397 states and 28797 transitions. [2024-11-24 01:36:52,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-24 01:36:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 20397 states and 28797 transitions. [2024-11-24 01:36:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-24 01:36:52,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:52,679 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, 1, 1, 1, 1, 1, 1] [2024-11-24 01:36:52,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:36:52,680 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:52,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:52,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1100892008, now seen corresponding path program 1 times [2024-11-24 01:36:52,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:52,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826579171] [2024-11-24 01:36:52,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:52,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-24 01:36:54,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:54,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826579171] [2024-11-24 01:36:54,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826579171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:54,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:54,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:54,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434637486] [2024-11-24 01:36:54,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:54,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:54,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:54,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:54,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:54,966 INFO L87 Difference]: Start difference. First operand 20397 states and 28797 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-24 01:36:59,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:37:00,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:00,757 INFO L93 Difference]: Finished difference Result 20399 states and 28798 transitions. [2024-11-24 01:37:00,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:37:00,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 148 [2024-11-24 01:37:00,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:00,931 INFO L225 Difference]: With dead ends: 20399 [2024-11-24 01:37:00,932 INFO L226 Difference]: Without dead ends: 20396 [2024-11-24 01:37:00,952 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 [2024-11-24 01:37:00,954 INFO L435 NwaCegarLoop]: 2438 mSDtfsCounter, 68 mSDsluCounter, 2364 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 4802 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:00,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 4802 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:37:00,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20396 states. [2024-11-24 01:37:02,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20396 to 20396. [2024-11-24 01:37:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20396 states, 14274 states have (on average 1.335645229087852) internal successors, (19065), 14596 states have internal predecessors, (19065), 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) [2024-11-24 01:37:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20396 states to 20396 states and 28786 transitions. [2024-11-24 01:37:02,909 INFO L78 Accepts]: Start accepts. Automaton has 20396 states and 28786 transitions. Word has length 148 [2024-11-24 01:37:02,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:02,910 INFO L471 AbstractCegarLoop]: Abstraction has 20396 states and 28786 transitions. [2024-11-24 01:37:02,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-24 01:37:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 20396 states and 28786 transitions. [2024-11-24 01:37:02,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-24 01:37:02,974 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:02,975 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:02,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:37:02,975 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:02,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:02,976 INFO L85 PathProgramCache]: Analyzing trace with hash -81526453, now seen corresponding path program 1 times [2024-11-24 01:37:02,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:37:02,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251496930] [2024-11-24 01:37:02,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:02,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:37:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-24 01:37:05,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:37:05,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251496930] [2024-11-24 01:37:05,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251496930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:05,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:37:05,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:37:05,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265340218] [2024-11-24 01:37:05,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:05,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:37:05,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:37:05,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:37:05,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:37:05,028 INFO L87 Difference]: Start difference. First operand 20396 states and 28786 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2024-11-24 01:37:09,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:37:11,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:11,750 INFO L93 Difference]: Finished difference Result 46534 states and 65556 transitions. [2024-11-24 01:37:11,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:37:11,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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 213 [2024-11-24 01:37:11,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:11,999 INFO L225 Difference]: With dead ends: 46534 [2024-11-24 01:37:11,999 INFO L226 Difference]: Without dead ends: 26172 [2024-11-24 01:37:12,134 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 [2024-11-24 01:37:12,135 INFO L435 NwaCegarLoop]: 4310 mSDtfsCounter, 2151 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 6584 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:12,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2151 Valid, 6584 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 01:37:12,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26172 states. [2024-11-24 01:37:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26172 to 26172. [2024-11-24 01:37:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26172 states, 18436 states have (on average 1.3366239965285311) internal successors, (24642), 18838 states have internal predecessors, (24642), 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) [2024-11-24 01:37:14,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26172 states to 26172 states and 36773 transitions. [2024-11-24 01:37:14,345 INFO L78 Accepts]: Start accepts. Automaton has 26172 states and 36773 transitions. Word has length 213 [2024-11-24 01:37:14,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:14,346 INFO L471 AbstractCegarLoop]: Abstraction has 26172 states and 36773 transitions. [2024-11-24 01:37:14,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2024-11-24 01:37:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 26172 states and 36773 transitions. [2024-11-24 01:37:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-24 01:37:14,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:14,427 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:14,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:37:14,427 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:14,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:14,428 INFO L85 PathProgramCache]: Analyzing trace with hash -612335087, now seen corresponding path program 1 times [2024-11-24 01:37:14,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:37:14,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569541358] [2024-11-24 01:37:14,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:14,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:37:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-24 01:37:16,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:37:16,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569541358] [2024-11-24 01:37:16,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569541358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:16,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:37:16,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:37:16,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64256878] [2024-11-24 01:37:16,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:16,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:37:16,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:37:16,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:37:16,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:37:16,537 INFO L87 Difference]: Start difference. First operand 26172 states and 36773 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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) [2024-11-24 01:37:20,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:37:22,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:22,751 INFO L93 Difference]: Finished difference Result 61161 states and 86103 transitions. [2024-11-24 01:37:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:37:22,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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 242 [2024-11-24 01:37:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:23,020 INFO L225 Difference]: With dead ends: 61161 [2024-11-24 01:37:23,020 INFO L226 Difference]: Without dead ends: 35023 [2024-11-24 01:37:23,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:37:23,159 INFO L435 NwaCegarLoop]: 4590 mSDtfsCounter, 2168 mSDsluCounter, 7003 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 11593 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:23,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 11593 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:37:23,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35023 states. [2024-11-24 01:37:25,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35023 to 26184. [2024-11-24 01:37:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26184 states, 18448 states have (on average 1.336405030355594) internal successors, (24654), 18850 states have internal predecessors, (24654), 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) [2024-11-24 01:37:26,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26184 states to 26184 states and 36785 transitions. [2024-11-24 01:37:26,105 INFO L78 Accepts]: Start accepts. Automaton has 26184 states and 36785 transitions. Word has length 242 [2024-11-24 01:37:26,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:26,105 INFO L471 AbstractCegarLoop]: Abstraction has 26184 states and 36785 transitions. [2024-11-24 01:37:26,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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) [2024-11-24 01:37:26,106 INFO L276 IsEmpty]: Start isEmpty. Operand 26184 states and 36785 transitions. [2024-11-24 01:37:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-24 01:37:26,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:26,226 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, 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] [2024-11-24 01:37:26,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:37:26,226 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:26,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:26,227 INFO L85 PathProgramCache]: Analyzing trace with hash -50155928, now seen corresponding path program 1 times [2024-11-24 01:37:26,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:37:26,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732270178] [2024-11-24 01:37:26,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:26,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:37:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-24 01:37:28,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:37:28,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732270178] [2024-11-24 01:37:28,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732270178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:28,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:37:28,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:37:28,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418833594] [2024-11-24 01:37:28,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:28,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:37:28,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:37:28,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:37:28,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:37:28,906 INFO L87 Difference]: Start difference. First operand 26184 states and 36785 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-24 01:37:32,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:37:34,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:34,610 INFO L93 Difference]: Finished difference Result 58828 states and 82572 transitions. [2024-11-24 01:37:34,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:37:34,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 323 [2024-11-24 01:37:34,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:34,861 INFO L225 Difference]: With dead ends: 58828 [2024-11-24 01:37:34,862 INFO L226 Difference]: Without dead ends: 32678 [2024-11-24 01:37:35,002 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 [2024-11-24 01:37:35,003 INFO L435 NwaCegarLoop]: 3825 mSDtfsCounter, 1538 mSDsluCounter, 2398 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 6223 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:35,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1538 Valid, 6223 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:37:35,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32678 states. [2024-11-24 01:37:37,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32678 to 32678. [2024-11-24 01:37:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32678 states, 23020 states have (on average 1.3348827106863597) internal successors, (30729), 23542 states have internal predecessors, (30729), 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) [2024-11-24 01:37:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32678 states to 32678 states and 45790 transitions. [2024-11-24 01:37:37,374 INFO L78 Accepts]: Start accepts. Automaton has 32678 states and 45790 transitions. Word has length 323 [2024-11-24 01:37:37,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:37,379 INFO L471 AbstractCegarLoop]: Abstraction has 32678 states and 45790 transitions. [2024-11-24 01:37:37,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-24 01:37:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 32678 states and 45790 transitions. [2024-11-24 01:37:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-11-24 01:37:37,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:37,520 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:37,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:37:37,520 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:37,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:37,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1553790630, now seen corresponding path program 1 times [2024-11-24 01:37:37,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:37:37,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780169557] [2024-11-24 01:37:37,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:37,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:37:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-24 01:37:40,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:37:40,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780169557] [2024-11-24 01:37:40,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780169557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:40,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:37:40,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:37:40,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121198995] [2024-11-24 01:37:40,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:40,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:37:40,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:37:40,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:37:40,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:37:40,113 INFO L87 Difference]: Start difference. First operand 32678 states and 45790 transitions. Second operand has 5 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 5 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 5 states have call predecessors, (47), 5 states have call successors, (47) [2024-11-24 01:37:44,155 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 [] [2024-11-24 01:38:34,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:38:34,119 INFO L93 Difference]: Finished difference Result 144274 states and 209652 transitions. [2024-11-24 01:38:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:38:34,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 5 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 5 states have call predecessors, (47), 5 states have call successors, (47) Word has length 389 [2024-11-24 01:38:34,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:38:35,198 INFO L225 Difference]: With dead ends: 144274 [2024-11-24 01:38:35,198 INFO L226 Difference]: Without dead ends: 111630 [2024-11-24 01:38:35,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:38:35,380 INFO L435 NwaCegarLoop]: 2262 mSDtfsCounter, 6440 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 7593 mSolverCounterSat, 2623 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6978 SdHoareTripleChecker+Valid, 6046 SdHoareTripleChecker+Invalid, 10217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2623 IncrementalHoareTripleChecker+Valid, 7593 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:38:35,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6978 Valid, 6046 Invalid, 10217 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2623 Valid, 7593 Invalid, 1 Unknown, 0 Unchecked, 46.7s Time] [2024-11-24 01:38:35,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111630 states. [2024-11-24 01:38:42,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111630 to 110559. [2024-11-24 01:38:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110559 states, 77319 states have (on average 1.3423350017460132) internal successors, (103788), 79209 states have internal predecessors, (103788), 26867 states have call successors, (26867), 5941 states have call predecessors, (26867), 6372 states have return successors, (30202), 26862 states have call predecessors, (30202), 26866 states have call successors, (30202)