./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/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_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-02 06:11:35,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:11:35,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 06:11:35,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:11:35,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:11:35,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:11:35,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:11:35,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:11:35,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:11:35,123 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:11:35,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:11:35,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:11:35,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:11:35,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:11:35,123 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:11:35,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:11:35,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:11:35,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:11:35,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:11:35,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:11:35,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:11:35,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:11:35,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:11:35,124 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:11:35,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:11:35,124 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:11:35,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:11:35,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:11:35,125 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:11:35,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:11:35,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:11:35,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:11:35,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:11:35,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:11:35,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:11:35,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:11:35,126 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_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 06:11:35,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:11:35,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:11:35,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:11:35,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:11:35,374 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:11:35,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-12-02 06:11:37,981 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/data/a7039a9d4/d12bcfac41654c3982b593e1ccebded4/FLAG6d6d555db [2024-12-02 06:11:38,431 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:11:38,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-12-02 06:11:38,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/data/a7039a9d4/d12bcfac41654c3982b593e1ccebded4/FLAG6d6d555db [2024-12-02 06:11:38,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/data/a7039a9d4/d12bcfac41654c3982b593e1ccebded4 [2024-12-02 06:11:38,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:11:38,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:11:38,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:11:38,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:11:38,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:11:38,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:11:38" (1/1) ... [2024-12-02 06:11:38,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47eb6af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:38, skipping insertion in model container [2024-12-02 06:11:38,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:11:38" (1/1) ... [2024-12-02 06:11:38,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:11:40,017 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_e1b3efc4-15b8-4321-8c2b-98596de73803/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] [2024-12-02 06:11:40,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:11:40,196 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:11:40,284 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] [2024-12-02 06:11:40,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3949] [2024-12-02 06:11:40,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3956] [2024-12-02 06:11:40,287 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] [2024-12-02 06:11:40,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3974] [2024-12-02 06:11:40,290 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] [2024-12-02 06:11:40,290 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] [2024-12-02 06:11:40,291 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] [2024-12-02 06:11:40,291 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] [2024-12-02 06:11:40,292 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] [2024-12-02 06:11:40,292 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] [2024-12-02 06:11:40,300 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] [2024-12-02 06:11:40,300 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] [2024-12-02 06:11:40,301 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] [2024-12-02 06:11:40,302 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] [2024-12-02 06:11:40,303 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] [2024-12-02 06:11:40,303 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] [2024-12-02 06:11:40,330 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] [2024-12-02 06:11:40,335 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] [2024-12-02 06:11:40,338 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] [2024-12-02 06:11:40,339 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] [2024-12-02 06:11:40,344 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] [2024-12-02 06:11:40,359 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] [2024-12-02 06:11:40,362 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] [2024-12-02 06:11:40,376 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] [2024-12-02 06:11:40,475 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_e1b3efc4-15b8-4321-8c2b-98596de73803/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] [2024-12-02 06:11:40,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:11:40,557 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:11:40,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40 WrapperNode [2024-12-02 06:11:40,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:11:40,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:11:40,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:11:40,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:11:40,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:40,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:40,744 INFO L138 Inliner]: procedures = 308, calls = 1840, calls flagged for inlining = 110, calls inlined = 101, statements flattened = 4110 [2024-12-02 06:11:40,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:11:40,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:11:40,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:11:40,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:11:40,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:40,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:40,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:41,328 INFO L175 MemorySlicer]: Split 675 memory accesses to 15 slices as follows [2, 23, 2, 8, 0, 4, 1, 6, 7, 4, 10, 34, 3, 555, 16]. 82 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16]. The 289 writes are split as follows [0, 23, 1, 0, 0, 1, 1, 4, 4, 1, 5, 29, 0, 220, 0]. [2024-12-02 06:11:41,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:41,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:41,433 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:41,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:41,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:41,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:41,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:41,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:11:41,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:11:41,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:11:41,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:11:41,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (1/1) ... [2024-12-02 06:11:41,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:11:41,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:11:41,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:11:41,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3efc4-15b8-4321-8c2b-98596de73803/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 06:11:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_memstick_host [2024-12-02 06:11:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_memstick_host [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-12-02 06:11:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 06:11:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 06:11:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 06:11:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2024-12-02 06:11:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2024-12-02 06:11:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-12-02 06:11:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 06:11:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 06:11:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2024-12-02 06:11:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-12-02 06:11:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-12-02 06:11:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 06:11:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 06:11:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2024-12-02 06:11:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 06:11:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 06:11:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 06:11:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 06:11:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 06:11:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 06:11:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 06:11:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 06:11:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure msb_verify_block [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_verify_block [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_msb_disk_lock [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_msb_disk_lock [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_write [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_write [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-12-02 06:11:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2024-12-02 06:11:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request [2024-12-02 06:11:41,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-12-02 06:11:41,579 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-12-02 06:11:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2024-12-02 06:11:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure msb_io_work [2024-12-02 06:11:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_io_work [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 06:11:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2024-12-02 06:11:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2024-12-02 06:11:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 06:11:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 06:11:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2024-12-02 06:11:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2024-12-02 06:11:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 06:11:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-12-02 06:11:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 06:11:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 06:11:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure msb_update_block [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_update_block [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_flush [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_flush [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure msb_sg_copy [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_sg_copy [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-12-02 06:11:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-12-02 06:11:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 06:11:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2024-12-02 06:11:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_memstick_host [2024-12-02 06:11:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_memstick_host [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:11:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-12-02 06:11:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2024-12-02 06:11:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2024-12-02 06:11:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2024-12-02 06:11:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2024-12-02 06:11:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 06:11:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 06:11:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-12-02 06:11:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure msb_bd_getgeo [2024-12-02 06:11:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_bd_getgeo [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2024-12-02 06:11:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 06:11:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2024-12-02 06:11:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2024-12-02 06:11:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2024-12-02 06:11:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 06:11:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2024-12-02 06:11:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 06:11:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2024-12-02 06:11:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 06:11:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 06:11:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 06:11:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2024-12-02 06:11:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2024-12-02 06:11:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-12-02 06:11:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-12-02 06:11:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-12-02 06:11:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-12-02 06:11:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2024-12-02 06:11:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2024-12-02 06:11:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2024-12-02 06:11:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2024-12-02 06:11:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2024-12-02 06:11:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2024-12-02 06:11:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 06:11:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 06:11:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:11:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2024-12-02 06:11:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-12-02 06:11:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_msb_disk_lock [2024-12-02 06:11:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_msb_disk_lock [2024-12-02 06:11:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:11:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:11:42,185 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:11:42,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:11:42,230 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 06:11:49,970 INFO L? ?]: Removed 1492 outVars from TransFormulas that were not future-live. [2024-12-02 06:11:49,970 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:11:50,008 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:11:50,008 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 06:11:50,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:11:50 BoogieIcfgContainer [2024-12-02 06:11:50,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:11:50,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:11:50,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:11:50,016 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:11:50,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:11:38" (1/3) ... [2024-12-02 06:11:50,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8e8f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:11:50, skipping insertion in model container [2024-12-02 06:11:50,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:11:40" (2/3) ... [2024-12-02 06:11:50,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8e8f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:11:50, skipping insertion in model container [2024-12-02 06:11:50,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:11:50" (3/3) ... [2024-12-02 06:11:50,018 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2024-12-02 06:11:50,033 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:11:50,036 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. [2024-12-02 06:11:50,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:11:50,142 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;@6803563, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:11:50,142 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:11:50,151 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) [2024-12-02 06:11:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 06:11:50,161 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:50,162 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] [2024-12-02 06:11:50,162 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:50,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:50,167 INFO L85 PathProgramCache]: Analyzing trace with hash 834908516, now seen corresponding path program 1 times [2024-12-02 06:11:50,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:11:50,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857337989] [2024-12-02 06:11:50,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:50,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:11:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 06:11:51,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:11:51,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857337989] [2024-12-02 06:11:51,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857337989] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:51,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:51,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:11:51,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143680844] [2024-12-02 06:11:51,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:51,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:11:51,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:11:51,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:11:51,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:11:51,784 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) [2024-12-02 06:11:52,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:52,268 INFO L93 Difference]: Finished difference Result 5148 states and 7570 transitions. [2024-12-02 06:11:52,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:11:52,271 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 [2024-12-02 06:11:52,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:52,316 INFO L225 Difference]: With dead ends: 5148 [2024-12-02 06:11:52,316 INFO L226 Difference]: Without dead ends: 3367 [2024-12-02 06:11:52,338 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 [2024-12-02 06:11:52,341 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, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:52,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2429 Valid, 4998 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:11:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2024-12-02 06:11:52,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 3345. [2024-12-02 06:11:52,607 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) [2024-12-02 06:11:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 3345 states and 4797 transitions. [2024-12-02 06:11:52,653 INFO L78 Accepts]: Start accepts. Automaton has 3345 states and 4797 transitions. Word has length 84 [2024-12-02 06:11:52,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:52,654 INFO L471 AbstractCegarLoop]: Abstraction has 3345 states and 4797 transitions. [2024-12-02 06:11:52,654 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) [2024-12-02 06:11:52,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3345 states and 4797 transitions. [2024-12-02 06:11:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 06:11:52,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:52,659 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] [2024-12-02 06:11:52,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:11:52,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:52,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:52,660 INFO L85 PathProgramCache]: Analyzing trace with hash 752405818, now seen corresponding path program 1 times [2024-12-02 06:11:52,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:11:52,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097664912] [2024-12-02 06:11:52,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:52,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:11:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 06:11:54,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:11:54,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097664912] [2024-12-02 06:11:54,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097664912] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:54,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:54,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:11:54,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075039578] [2024-12-02 06:11:54,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:54,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:11:54,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:11:54,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:11:54,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:11:54,105 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) [2024-12-02 06:11:58,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:11:58,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:58,470 INFO L93 Difference]: Finished difference Result 9917 states and 14241 transitions. [2024-12-02 06:11:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:11:58,471 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 [2024-12-02 06:11:58,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:58,522 INFO L225 Difference]: With dead ends: 9917 [2024-12-02 06:11:58,522 INFO L226 Difference]: Without dead ends: 6596 [2024-12-02 06:11:58,538 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 [2024-12-02 06:11:58,538 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, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:58,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2375 Valid, 4986 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 06:11:58,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6596 states. [2024-12-02 06:11:58,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6596 to 6585. [2024-12-02 06:11:58,820 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) [2024-12-02 06:11:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6585 states to 6585 states and 9457 transitions. [2024-12-02 06:11:58,872 INFO L78 Accepts]: Start accepts. Automaton has 6585 states and 9457 transitions. Word has length 89 [2024-12-02 06:11:58,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:58,873 INFO L471 AbstractCegarLoop]: Abstraction has 6585 states and 9457 transitions. [2024-12-02 06:11:58,873 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) [2024-12-02 06:11:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 6585 states and 9457 transitions. [2024-12-02 06:11:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 06:11:58,877 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:58,878 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] [2024-12-02 06:11:58,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:11:58,878 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:58,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:58,879 INFO L85 PathProgramCache]: Analyzing trace with hash -548031190, now seen corresponding path program 1 times [2024-12-02 06:11:58,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:11:58,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004146920] [2024-12-02 06:11:58,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:58,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 06:12:00,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:00,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004146920] [2024-12-02 06:12:00,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004146920] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:00,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:00,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:12:00,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884780177] [2024-12-02 06:12:00,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:00,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:12:00,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:00,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:12:00,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:00,510 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) [2024-12-02 06:12:01,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:01,201 INFO L93 Difference]: Finished difference Result 16929 states and 24175 transitions. [2024-12-02 06:12:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:12:01,202 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 [2024-12-02 06:12:01,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:01,297 INFO L225 Difference]: With dead ends: 16929 [2024-12-02 06:12:01,298 INFO L226 Difference]: Without dead ends: 10368 [2024-12-02 06:12:01,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:01,337 INFO L435 NwaCegarLoop]: 2587 mSDtfsCounter, 1432 mSDsluCounter, 2407 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:12:01,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1432 Valid, 4994 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:12:01,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10368 states. [2024-12-02 06:12:01,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10368 to 10345. [2024-12-02 06:12:01,937 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) [2024-12-02 06:12:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10345 states to 10345 states and 14717 transitions. [2024-12-02 06:12:02,011 INFO L78 Accepts]: Start accepts. Automaton has 10345 states and 14717 transitions. Word has length 92 [2024-12-02 06:12:02,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:02,011 INFO L471 AbstractCegarLoop]: Abstraction has 10345 states and 14717 transitions. [2024-12-02 06:12:02,011 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) [2024-12-02 06:12:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 10345 states and 14717 transitions. [2024-12-02 06:12:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 06:12:02,013 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:02,013 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] [2024-12-02 06:12:02,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:12:02,014 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:02,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:02,014 INFO L85 PathProgramCache]: Analyzing trace with hash 491642159, now seen corresponding path program 1 times [2024-12-02 06:12:02,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:02,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475110612] [2024-12-02 06:12:02,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:02,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 06:12:03,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:03,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475110612] [2024-12-02 06:12:03,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475110612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:03,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:03,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:12:03,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104166115] [2024-12-02 06:12:03,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:03,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:12:03,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:03,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:12:03,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:03,265 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) [2024-12-02 06:12:03,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:03,570 INFO L93 Difference]: Finished difference Result 10347 states and 14718 transitions. [2024-12-02 06:12:03,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:12:03,571 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 [2024-12-02 06:12:03,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:03,623 INFO L225 Difference]: With dead ends: 10347 [2024-12-02 06:12:03,623 INFO L226 Difference]: Without dead ends: 10344 [2024-12-02 06:12:03,629 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 [2024-12-02 06:12:03,630 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 [2024-12-02 06:12:03,630 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] [2024-12-02 06:12:03,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10344 states. [2024-12-02 06:12:03,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10344 to 10344. [2024-12-02 06:12:03,945 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) [2024-12-02 06:12:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10344 states to 10344 states and 14715 transitions. [2024-12-02 06:12:03,997 INFO L78 Accepts]: Start accepts. Automaton has 10344 states and 14715 transitions. Word has length 90 [2024-12-02 06:12:03,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:03,998 INFO L471 AbstractCegarLoop]: Abstraction has 10344 states and 14715 transitions. [2024-12-02 06:12:03,999 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) [2024-12-02 06:12:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 10344 states and 14715 transitions. [2024-12-02 06:12:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 06:12:04,000 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:04,000 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] [2024-12-02 06:12:04,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:12:04,000 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:04,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:04,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1939597551, now seen corresponding path program 1 times [2024-12-02 06:12:04,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:04,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093317550] [2024-12-02 06:12:04,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 06:12:05,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:05,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093317550] [2024-12-02 06:12:05,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093317550] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:05,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:05,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:12:05,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855171661] [2024-12-02 06:12:05,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:05,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:12:05,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:05,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:12:05,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:05,189 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) [2024-12-02 06:12:05,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:05,518 INFO L93 Difference]: Finished difference Result 10346 states and 14716 transitions. [2024-12-02 06:12:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:12:05,519 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 [2024-12-02 06:12:05,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:05,583 INFO L225 Difference]: With dead ends: 10346 [2024-12-02 06:12:05,584 INFO L226 Difference]: Without dead ends: 10343 [2024-12-02 06:12:05,592 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 [2024-12-02 06:12:05,593 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 [2024-12-02 06:12:05,594 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] [2024-12-02 06:12:05,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10343 states. [2024-12-02 06:12:06,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10343 to 10343. [2024-12-02 06:12:06,093 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) [2024-12-02 06:12:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10343 states to 10343 states and 14713 transitions. [2024-12-02 06:12:06,154 INFO L78 Accepts]: Start accepts. Automaton has 10343 states and 14713 transitions. Word has length 91 [2024-12-02 06:12:06,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:06,155 INFO L471 AbstractCegarLoop]: Abstraction has 10343 states and 14713 transitions. [2024-12-02 06:12:06,155 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) [2024-12-02 06:12:06,155 INFO L276 IsEmpty]: Start isEmpty. Operand 10343 states and 14713 transitions. [2024-12-02 06:12:06,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 06:12:06,156 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:06,156 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] [2024-12-02 06:12:06,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:12:06,156 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:06,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:06,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1387634, now seen corresponding path program 1 times [2024-12-02 06:12:06,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:06,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104019335] [2024-12-02 06:12:06,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:06,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 06:12:07,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:07,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104019335] [2024-12-02 06:12:07,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104019335] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:07,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:07,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:12:07,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805988200] [2024-12-02 06:12:07,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:07,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:12:07,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:07,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:12:07,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:07,213 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) [2024-12-02 06:12:07,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:07,519 INFO L93 Difference]: Finished difference Result 13591 states and 19227 transitions. [2024-12-02 06:12:07,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:12:07,519 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 [2024-12-02 06:12:07,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:07,588 INFO L225 Difference]: With dead ends: 13591 [2024-12-02 06:12:07,588 INFO L226 Difference]: Without dead ends: 13587 [2024-12-02 06:12:07,598 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 [2024-12-02 06:12:07,599 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 [2024-12-02 06:12:07,599 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] [2024-12-02 06:12:07,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13587 states. [2024-12-02 06:12:08,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13587 to 13585. [2024-12-02 06:12:08,446 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) [2024-12-02 06:12:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13585 states to 13585 states and 19218 transitions. [2024-12-02 06:12:08,496 INFO L78 Accepts]: Start accepts. Automaton has 13585 states and 19218 transitions. Word has length 92 [2024-12-02 06:12:08,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:08,497 INFO L471 AbstractCegarLoop]: Abstraction has 13585 states and 19218 transitions. [2024-12-02 06:12:08,497 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) [2024-12-02 06:12:08,497 INFO L276 IsEmpty]: Start isEmpty. Operand 13585 states and 19218 transitions. [2024-12-02 06:12:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 06:12:08,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:08,498 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] [2024-12-02 06:12:08,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:12:08,498 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:08,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:08,499 INFO L85 PathProgramCache]: Analyzing trace with hash 42391092, now seen corresponding path program 1 times [2024-12-02 06:12:08,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:08,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973285138] [2024-12-02 06:12:08,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:08,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 06:12:09,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:09,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973285138] [2024-12-02 06:12:09,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973285138] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:09,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:09,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:12:09,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091767319] [2024-12-02 06:12:09,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:09,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:12:09,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:09,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:12:09,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:09,549 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) [2024-12-02 06:12:10,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:10,211 INFO L93 Difference]: Finished difference Result 13657 states and 19292 transitions. [2024-12-02 06:12:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:12:10,212 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 [2024-12-02 06:12:10,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:10,311 INFO L225 Difference]: With dead ends: 13657 [2024-12-02 06:12:10,311 INFO L226 Difference]: Without dead ends: 13653 [2024-12-02 06:12:10,315 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 [2024-12-02 06:12:10,316 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 [2024-12-02 06:12:10,316 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] [2024-12-02 06:12:10,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13653 states. [2024-12-02 06:12:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13653 to 13651. [2024-12-02 06:12:10,836 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) [2024-12-02 06:12:10,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13651 states to 13651 states and 19281 transitions. [2024-12-02 06:12:10,900 INFO L78 Accepts]: Start accepts. Automaton has 13651 states and 19281 transitions. Word has length 93 [2024-12-02 06:12:10,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:10,900 INFO L471 AbstractCegarLoop]: Abstraction has 13651 states and 19281 transitions. [2024-12-02 06:12:10,900 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) [2024-12-02 06:12:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 13651 states and 19281 transitions. [2024-12-02 06:12:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 06:12:10,902 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:10,902 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] [2024-12-02 06:12:10,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:12:10,902 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:10,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:10,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1313503157, now seen corresponding path program 1 times [2024-12-02 06:12:10,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:10,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567998695] [2024-12-02 06:12:10,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:10,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:12,293 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 06:12:12,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:12,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567998695] [2024-12-02 06:12:12,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567998695] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:12,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:12,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:12:12,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862229516] [2024-12-02 06:12:12,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:12,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:12:12,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:12,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:12:12,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:12,295 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) [2024-12-02 06:12:12,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:12,802 INFO L93 Difference]: Finished difference Result 13653 states and 19282 transitions. [2024-12-02 06:12:12,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:12:12,802 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 [2024-12-02 06:12:12,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:12,870 INFO L225 Difference]: With dead ends: 13653 [2024-12-02 06:12:12,870 INFO L226 Difference]: Without dead ends: 13636 [2024-12-02 06:12:12,879 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 [2024-12-02 06:12:12,880 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 [2024-12-02 06:12:12,880 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] [2024-12-02 06:12:12,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13636 states. [2024-12-02 06:12:13,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13636 to 13636. [2024-12-02 06:12:13,490 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) [2024-12-02 06:12:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13636 states to 13636 states and 19257 transitions. [2024-12-02 06:12:13,534 INFO L78 Accepts]: Start accepts. Automaton has 13636 states and 19257 transitions. Word has length 94 [2024-12-02 06:12:13,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:13,534 INFO L471 AbstractCegarLoop]: Abstraction has 13636 states and 19257 transitions. [2024-12-02 06:12:13,534 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) [2024-12-02 06:12:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 13636 states and 19257 transitions. [2024-12-02 06:12:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 06:12:13,538 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:13,539 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] [2024-12-02 06:12:13,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:12:13,539 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:13,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:13,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1645663361, now seen corresponding path program 1 times [2024-12-02 06:12:13,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:13,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213262154] [2024-12-02 06:12:13,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:13,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-12-02 06:12:14,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:14,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213262154] [2024-12-02 06:12:14,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213262154] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:14,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:14,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:12:14,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495571079] [2024-12-02 06:12:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:14,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:12:14,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:14,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:12:14,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:12:14,801 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) [2024-12-02 06:12:15,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:15,985 INFO L93 Difference]: Finished difference Result 34005 states and 48028 transitions. [2024-12-02 06:12:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:12:15,986 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 [2024-12-02 06:12:15,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:16,109 INFO L225 Difference]: With dead ends: 34005 [2024-12-02 06:12:16,109 INFO L226 Difference]: Without dead ends: 20403 [2024-12-02 06:12:16,187 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 [2024-12-02 06:12:16,188 INFO L435 NwaCegarLoop]: 2451 mSDtfsCounter, 2405 mSDsluCounter, 4791 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 7242 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:12:16,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 7242 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:12:16,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20403 states. [2024-12-02 06:12:17,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20403 to 20397. [2024-12-02 06:12:17,472 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) [2024-12-02 06:12:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20397 states to 20397 states and 28797 transitions. [2024-12-02 06:12:17,549 INFO L78 Accepts]: Start accepts. Automaton has 20397 states and 28797 transitions. Word has length 147 [2024-12-02 06:12:17,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:17,549 INFO L471 AbstractCegarLoop]: Abstraction has 20397 states and 28797 transitions. [2024-12-02 06:12:17,549 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) [2024-12-02 06:12:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 20397 states and 28797 transitions. [2024-12-02 06:12:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 06:12:17,555 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:17,555 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] [2024-12-02 06:12:17,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:12:17,555 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:17,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1508947070, now seen corresponding path program 1 times [2024-12-02 06:12:17,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:17,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336643031] [2024-12-02 06:12:17,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:17,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-12-02 06:12:18,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:18,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336643031] [2024-12-02 06:12:18,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336643031] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:18,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:18,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:12:18,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287820768] [2024-12-02 06:12:18,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:18,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:12:18,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:18,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:12:18,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:18,534 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) [2024-12-02 06:12:22,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:12:23,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:23,255 INFO L93 Difference]: Finished difference Result 20399 states and 28798 transitions. [2024-12-02 06:12:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:12:23,255 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 [2024-12-02 06:12:23,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:23,327 INFO L225 Difference]: With dead ends: 20399 [2024-12-02 06:12:23,327 INFO L226 Difference]: Without dead ends: 20396 [2024-12-02 06:12:23,339 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 [2024-12-02 06:12:23,340 INFO L435 NwaCegarLoop]: 2438 mSDtfsCounter, 68 mSDsluCounter, 2364 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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 [2024-12-02 06:12:23,340 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] [2024-12-02 06:12:23,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20396 states. [2024-12-02 06:12:24,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20396 to 20396. [2024-12-02 06:12:24,087 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) [2024-12-02 06:12:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20396 states to 20396 states and 28786 transitions. [2024-12-02 06:12:24,162 INFO L78 Accepts]: Start accepts. Automaton has 20396 states and 28786 transitions. Word has length 148 [2024-12-02 06:12:24,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:24,163 INFO L471 AbstractCegarLoop]: Abstraction has 20396 states and 28786 transitions. [2024-12-02 06:12:24,163 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) [2024-12-02 06:12:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 20396 states and 28786 transitions. [2024-12-02 06:12:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-12-02 06:12:24,214 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:24,215 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] [2024-12-02 06:12:24,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:12:24,215 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:24,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:24,216 INFO L85 PathProgramCache]: Analyzing trace with hash 472587169, now seen corresponding path program 1 times [2024-12-02 06:12:24,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:24,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114754269] [2024-12-02 06:12:24,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:24,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-02 06:12:25,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:25,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114754269] [2024-12-02 06:12:25,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114754269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:25,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:25,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:12:25,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465683513] [2024-12-02 06:12:25,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:25,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:12:25,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:25,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:12:25,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:25,246 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) [2024-12-02 06:12:29,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:12:30,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:30,306 INFO L93 Difference]: Finished difference Result 46534 states and 65556 transitions. [2024-12-02 06:12:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:12:30,307 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 [2024-12-02 06:12:30,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:30,403 INFO L225 Difference]: With dead ends: 46534 [2024-12-02 06:12:30,404 INFO L226 Difference]: Without dead ends: 26172 [2024-12-02 06:12:30,460 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 [2024-12-02 06:12:30,461 INFO L435 NwaCegarLoop]: 4310 mSDtfsCounter, 2151 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:12:30,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2151 Valid, 6584 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 06:12:30,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26172 states. [2024-12-02 06:12:31,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26172 to 26172. [2024-12-02 06:12:31,465 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) [2024-12-02 06:12:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26172 states to 26172 states and 36773 transitions. [2024-12-02 06:12:31,562 INFO L78 Accepts]: Start accepts. Automaton has 26172 states and 36773 transitions. Word has length 213 [2024-12-02 06:12:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:31,562 INFO L471 AbstractCegarLoop]: Abstraction has 26172 states and 36773 transitions. [2024-12-02 06:12:31,562 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) [2024-12-02 06:12:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 26172 states and 36773 transitions. [2024-12-02 06:12:31,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-12-02 06:12:31,608 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:31,608 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] [2024-12-02 06:12:31,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:12:31,609 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:31,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:31,609 INFO L85 PathProgramCache]: Analyzing trace with hash -817279109, now seen corresponding path program 1 times [2024-12-02 06:12:31,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:31,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601230831] [2024-12-02 06:12:31,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:31,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-12-02 06:12:32,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:32,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601230831] [2024-12-02 06:12:32,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601230831] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:32,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:32,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:12:32,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462966628] [2024-12-02 06:12:32,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:32,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:12:32,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:32,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:12:32,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:12:32,797 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) [2024-12-02 06:12:36,836 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 [] [2024-12-02 06:12:38,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:38,438 INFO L93 Difference]: Finished difference Result 61161 states and 86103 transitions. [2024-12-02 06:12:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:12:38,439 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 [2024-12-02 06:12:38,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:38,614 INFO L225 Difference]: With dead ends: 61161 [2024-12-02 06:12:38,614 INFO L226 Difference]: Without dead ends: 35023 [2024-12-02 06:12:38,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:12:38,709 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, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:12:38,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 11593 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 06:12:38,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35023 states. [2024-12-02 06:12:40,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35023 to 26184. [2024-12-02 06:12:40,279 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) [2024-12-02 06:12:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26184 states to 26184 states and 36785 transitions. [2024-12-02 06:12:40,409 INFO L78 Accepts]: Start accepts. Automaton has 26184 states and 36785 transitions. Word has length 242 [2024-12-02 06:12:40,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:40,410 INFO L471 AbstractCegarLoop]: Abstraction has 26184 states and 36785 transitions. [2024-12-02 06:12:40,410 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) [2024-12-02 06:12:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 26184 states and 36785 transitions. [2024-12-02 06:12:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-12-02 06:12:40,461 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:40,462 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] [2024-12-02 06:12:40,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:12:40,462 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:40,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:40,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1179946434, now seen corresponding path program 1 times [2024-12-02 06:12:40,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:40,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16778203] [2024-12-02 06:12:40,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-02 06:12:41,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:41,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16778203] [2024-12-02 06:12:41,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16778203] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:41,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:41,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:12:41,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696227624] [2024-12-02 06:12:41,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:41,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:12:41,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:41,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:12:41,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:12:41,639 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) [2024-12-02 06:12:45,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:12:47,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:47,162 INFO L93 Difference]: Finished difference Result 58828 states and 82572 transitions. [2024-12-02 06:12:47,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:12:47,163 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 [2024-12-02 06:12:47,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:47,291 INFO L225 Difference]: With dead ends: 58828 [2024-12-02 06:12:47,291 INFO L226 Difference]: Without dead ends: 32678 [2024-12-02 06:12:47,358 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 [2024-12-02 06:12:47,358 INFO L435 NwaCegarLoop]: 3825 mSDtfsCounter, 1538 mSDsluCounter, 2398 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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 [2024-12-02 06:12:47,359 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] [2024-12-02 06:12:47,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32678 states. [2024-12-02 06:12:48,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32678 to 32678. [2024-12-02 06:12:48,756 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) [2024-12-02 06:12:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32678 states to 32678 states and 45790 transitions. [2024-12-02 06:12:48,881 INFO L78 Accepts]: Start accepts. Automaton has 32678 states and 45790 transitions. Word has length 323 [2024-12-02 06:12:48,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:48,881 INFO L471 AbstractCegarLoop]: Abstraction has 32678 states and 45790 transitions. [2024-12-02 06:12:48,881 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) [2024-12-02 06:12:48,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32678 states and 45790 transitions. [2024-12-02 06:12:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-12-02 06:12:48,962 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:48,963 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] [2024-12-02 06:12:48,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:12:48,963 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:48,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:48,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1425244240, now seen corresponding path program 1 times [2024-12-02 06:12:48,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:12:48,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784736346] [2024-12-02 06:12:48,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:48,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:12:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-12-02 06:12:50,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:12:50,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784736346] [2024-12-02 06:12:50,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784736346] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:50,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:50,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:12:50,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415771596] [2024-12-02 06:12:50,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:50,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:12:50,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:12:50,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:12:50,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:12:50,428 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) [2024-12-02 06:12:54,456 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 [] [2024-12-02 06:13:39,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:13:39,624 INFO L93 Difference]: Finished difference Result 144274 states and 209652 transitions. [2024-12-02 06:13:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:13:39,625 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 [2024-12-02 06:13:39,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:13:40,163 INFO L225 Difference]: With dead ends: 144274 [2024-12-02 06:13:40,163 INFO L226 Difference]: Without dead ends: 111630 [2024-12-02 06:13:40,319 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 [2024-12-02 06:13:40,319 INFO L435 NwaCegarLoop]: 2262 mSDtfsCounter, 6440 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 7592 mSolverCounterSat, 2623 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6977 SdHoareTripleChecker+Valid, 6046 SdHoareTripleChecker+Invalid, 10216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2623 IncrementalHoareTripleChecker+Valid, 7592 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:13:40,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6977 Valid, 6046 Invalid, 10216 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2623 Valid, 7592 Invalid, 1 Unknown, 0 Unchecked, 42.9s Time] [2024-12-02 06:13:40,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111630 states. [2024-12-02 06:13:45,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111630 to 110559. [2024-12-02 06:13:46,050 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) [2024-12-02 06:13:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110559 states to 110559 states and 160857 transitions. [2024-12-02 06:13:46,901 INFO L78 Accepts]: Start accepts. Automaton has 110559 states and 160857 transitions. Word has length 389 [2024-12-02 06:13:46,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:13:46,902 INFO L471 AbstractCegarLoop]: Abstraction has 110559 states and 160857 transitions. [2024-12-02 06:13:46,902 INFO L472 AbstractCegarLoop]: INTERPOLANT 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) [2024-12-02 06:13:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 110559 states and 160857 transitions. [2024-12-02 06:13:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-12-02 06:13:47,185 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:13:47,186 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, 1] [2024-12-02 06:13:47,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:13:47,186 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:13:47,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:13:47,187 INFO L85 PathProgramCache]: Analyzing trace with hash 464959301, now seen corresponding path program 1 times [2024-12-02 06:13:47,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:13:47,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832144772] [2024-12-02 06:13:47,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:13:47,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:13:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:13:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-12-02 06:13:48,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:13:48,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832144772] [2024-12-02 06:13:48,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832144772] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:13:48,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:13:48,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:13:48,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750934624] [2024-12-02 06:13:48,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:13:48,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:13:48,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:13:48,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:13:48,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:13:48,992 INFO L87 Difference]: Start difference. First operand 110559 states and 160857 transitions. Second operand has 5 states, 5 states have (on average 36.6) internal successors, (183), 5 states have internal predecessors, (183), 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) [2024-12-02 06:13:53,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:14:53,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:14:53,687 INFO L93 Difference]: Finished difference Result 512353 states and 814995 transitions. [2024-12-02 06:14:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:14:53,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 5 states have internal predecessors, (183), 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 390 [2024-12-02 06:14:53,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:14:57,015 INFO L225 Difference]: With dead ends: 512353 [2024-12-02 06:14:57,016 INFO L226 Difference]: Without dead ends: 401828 [2024-12-02 06:14:58,255 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 [2024-12-02 06:14:58,256 INFO L435 NwaCegarLoop]: 2190 mSDtfsCounter, 6412 mSDsluCounter, 3540 mSDsCounter, 0 mSdLazyCounter, 7331 mSolverCounterSat, 2725 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6948 SdHoareTripleChecker+Valid, 5730 SdHoareTripleChecker+Invalid, 10057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2725 IncrementalHoareTripleChecker+Valid, 7331 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:14:58,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6948 Valid, 5730 Invalid, 10057 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2725 Valid, 7331 Invalid, 1 Unknown, 0 Unchecked, 40.8s Time] [2024-12-02 06:14:58,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401828 states. [2024-12-02 06:15:22,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401828 to 397109. [2024-12-02 06:15:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397109 states, 276607 states have (on average 1.35512839515992) internal successors, (374838), 284071 states have internal predecessors, (374838), 100681 states have call successors, (100681), 16653 states have call predecessors, (100681), 19820 states have return successors, (155868), 102820 states have call predecessors, (155868), 100680 states have call successors, (155868) [2024-12-02 06:15:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397109 states to 397109 states and 631387 transitions. [2024-12-02 06:15:27,160 INFO L78 Accepts]: Start accepts. Automaton has 397109 states and 631387 transitions. Word has length 390 [2024-12-02 06:15:27,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:27,160 INFO L471 AbstractCegarLoop]: Abstraction has 397109 states and 631387 transitions. [2024-12-02 06:15:27,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 5 states have internal predecessors, (183), 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) [2024-12-02 06:15:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 397109 states and 631387 transitions. [2024-12-02 06:15:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-12-02 06:15:27,746 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:27,746 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, 1, 1] [2024-12-02 06:15:27,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:15:27,746 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:27,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:27,746 INFO L85 PathProgramCache]: Analyzing trace with hash -217311148, now seen corresponding path program 1 times [2024-12-02 06:15:27,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:27,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696599496] [2024-12-02 06:15:27,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:27,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:29,546 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-12-02 06:15:29,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:29,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696599496] [2024-12-02 06:15:29,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696599496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:29,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:29,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:15:29,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725778296] [2024-12-02 06:15:29,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:29,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:15:29,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:29,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:15:29,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:15:29,548 INFO L87 Difference]: Start difference. First operand 397109 states and 631387 transitions. Second operand has 5 states, 5 states have (on average 36.8) internal successors, (184), 5 states have internal predecessors, (184), 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) [2024-12-02 06:15:33,574 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 []