./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/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_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:15,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:15,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:46:15,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:15,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:15,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:15,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:15,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:15,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:15,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:15,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:15,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:15,663 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:15,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:15,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:15,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:15,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:15,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:15,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:15,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:15,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:15,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:15,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:15,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:15,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:15,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:15,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:15,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:15,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:15,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:15,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:46:15,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:15,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:15,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:15,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:15,680 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:15,680 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 [2023-11-19 07:46:15,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:16,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:16,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:16,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:16,006 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:16,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2023-11-19 07:46:19,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:19,770 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:19,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2023-11-19 07:46:19,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/data/30b979321/01dbe4b1c47d4b9f9ff8ba1749d490da/FLAG632c4b519 [2023-11-19 07:46:19,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/data/30b979321/01dbe4b1c47d4b9f9ff8ba1749d490da [2023-11-19 07:46:19,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:19,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:19,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:19,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:19,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:19,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:19" (1/1) ... [2023-11-19 07:46:19,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576be9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:19, skipping insertion in model container [2023-11-19 07:46:19,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:19" (1/1) ... [2023-11-19 07:46:20,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:22,048 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2023-11-19 07:46:22,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:22,308 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:22,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3942] [2023-11-19 07:46:22,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3949] [2023-11-19 07:46:22,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3956] [2023-11-19 07:46:22,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3964-3965] [2023-11-19 07:46:22,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3974] [2023-11-19 07:46:22,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [4041-4042] [2023-11-19 07:46:22,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4047-4049] [2023-11-19 07:46:22,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [4071-4072] [2023-11-19 07:46:22,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4077-4079] [2023-11-19 07:46:22,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [4100-4101] [2023-11-19 07:46:22,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4106-4108] [2023-11-19 07:46:22,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (90), "i" (12UL)); [4417-4418] [2023-11-19 07:46:22,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (92), "i" (12UL)); [4425-4426] [2023-11-19 07:46:22,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (93), "i" (12UL)); [4433-4434] [2023-11-19 07:46:22,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [4460-4461] [2023-11-19 07:46:22,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [4468-4469] [2023-11-19 07:46:22,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (193), "i" (12UL)); [4483-4484] [2023-11-19 07:46:22,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (464), "i" (12UL)); [5073-5074] [2023-11-19 07:46:22,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (577), "i" (12UL)); [5187-5188] [2023-11-19 07:46:22,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (653), "i" (12UL)); [5278-5279] [2023-11-19 07:46:22,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (676), "i" (12UL)); [5315-5316] [2023-11-19 07:46:22,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (719), "i" (12UL)); [5367-5368] [2023-11-19 07:46:22,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (953), "i" (12UL)); [5680-5681] [2023-11-19 07:46:22,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (1004), "i" (12UL)); [5753-5754] [2023-11-19 07:46:22,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8278/dscv_tempdir/dscv/ri/32_7a/drivers/memstick/core/ms_block.c"), "i" (1262), "i" (12UL)); [6134-6135] [2023-11-19 07:46:22,714 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2023-11-19 07:46:22,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:22,843 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:46:22,843 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:46:22,851 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:22,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22 WrapperNode [2023-11-19 07:46:22,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:22,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:22,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:22,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:22,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:22,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,191 INFO L138 Inliner]: procedures = 306, calls = 1857, calls flagged for inlining = 110, calls inlined = 101, statements flattened = 4124 [2023-11-19 07:46:23,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:23,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:23,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:23,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:23,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:23,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:23,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:23,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:23,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (1/1) ... [2023-11-19 07:46:23,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:23,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:23,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:23,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fb19380-59c9-43da-99ce-2659d955fe60/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 07:46:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 07:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_memstick_host [2023-11-19 07:46:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_memstick_host [2023-11-19 07:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:46:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2023-11-19 07:46:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2023-11-19 07:46:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2023-11-19 07:46:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2023-11-19 07:46:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-19 07:46:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-19 07:46:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:46:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:46:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2023-11-19 07:46:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2023-11-19 07:46:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 07:46:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 07:46:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 07:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 07:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2023-11-19 07:46:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2023-11-19 07:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:46:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:46:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2023-11-19 07:46:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2023-11-19 07:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 07:46:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 07:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure msb_verify_block [2023-11-19 07:46:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_verify_block [2023-11-19 07:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:46:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-19 07:46:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-19 07:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_msb_disk_lock [2023-11-19 07:46:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_msb_disk_lock [2023-11-19 07:46:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:46:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:46:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_write [2023-11-19 07:46:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_write [2023-11-19 07:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 07:46:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 07:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2023-11-19 07:46:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2023-11-19 07:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request [2023-11-19 07:46:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request [2023-11-19 07:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-19 07:46:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-19 07:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2023-11-19 07:46:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2023-11-19 07:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure msb_io_work [2023-11-19 07:46:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_io_work [2023-11-19 07:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:46:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:46:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2023-11-19 07:46:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2023-11-19 07:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2023-11-19 07:46:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2023-11-19 07:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:46:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:46:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2023-11-19 07:46:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2023-11-19 07:46:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2023-11-19 07:46:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2023-11-19 07:46:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:46:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 07:46:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 07:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:46:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:46:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:46:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:46:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:46:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2023-11-19 07:46:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2023-11-19 07:46:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure msb_update_block [2023-11-19 07:46:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_update_block [2023-11-19 07:46:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_flush [2023-11-19 07:46:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_flush [2023-11-19 07:46:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2023-11-19 07:46:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2023-11-19 07:46:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-19 07:46:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-19 07:46:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2023-11-19 07:46:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2023-11-19 07:46:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2023-11-19 07:46:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2023-11-19 07:46:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure msb_sg_copy [2023-11-19 07:46:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_sg_copy [2023-11-19 07:46:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-19 07:46:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-19 07:46:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:46:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:46:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2023-11-19 07:46:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2023-11-19 07:46:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_memstick_host [2023-11-19 07:46:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_memstick_host [2023-11-19 07:46:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:46:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 07:46:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 07:46:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2023-11-19 07:46:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2023-11-19 07:46:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2023-11-19 07:46:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2023-11-19 07:46:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-11-19 07:46:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-11-19 07:46:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2023-11-19 07:46:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2023-11-19 07:46:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:46:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:46:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-11-19 07:46:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-11-19 07:46:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure msb_bd_getgeo [2023-11-19 07:46:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_bd_getgeo [2023-11-19 07:46:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:46:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2023-11-19 07:46:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2023-11-19 07:46:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:46:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:46:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-19 07:46:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-19 07:46:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2023-11-19 07:46:23,662 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2023-11-19 07:46:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:46:23,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:46:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:46:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-11-19 07:46:23,669 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-11-19 07:46:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:46:23,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:46:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2023-11-19 07:46:23,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2023-11-19 07:46:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:46:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2023-11-19 07:46:23,670 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2023-11-19 07:46:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-11-19 07:46:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-11-19 07:46:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2023-11-19 07:46:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2023-11-19 07:46:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2023-11-19 07:46:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2023-11-19 07:46:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2023-11-19 07:46:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2023-11-19 07:46:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-19 07:46:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-19 07:46:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2023-11-19 07:46:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2023-11-19 07:46:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2023-11-19 07:46:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2023-11-19 07:46:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2023-11-19 07:46:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2023-11-19 07:46:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:46:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:46:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2023-11-19 07:46:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2023-11-19 07:46:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 07:46:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 07:46:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-19 07:46:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-19 07:46:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-19 07:46:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-19 07:46:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2023-11-19 07:46:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2023-11-19 07:46:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-19 07:46:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-19 07:46:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:46:23,676 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:46:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2023-11-19 07:46:23,677 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2023-11-19 07:46:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 07:46:23,677 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 07:46:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_msb_disk_lock [2023-11-19 07:46:23,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_msb_disk_lock [2023-11-19 07:46:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:24,296 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:24,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:24,703 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:46:27,925 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:27,944 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:27,945 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:46:27,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:27 BoogieIcfgContainer [2023-11-19 07:46:27,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:27,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:27,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:27,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:27,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:19" (1/3) ... [2023-11-19 07:46:27,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46784bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:27, skipping insertion in model container [2023-11-19 07:46:27,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:22" (2/3) ... [2023-11-19 07:46:27,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46784bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:27, skipping insertion in model container [2023-11-19 07:46:27,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:27" (3/3) ... [2023-11-19 07:46:27,964 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2023-11-19 07:46:27,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:27,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:28,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:28,104 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1fe8c78d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:28,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 1702 states, 1172 states have (on average 1.3643344709897611) internal successors, (1599), 1216 states have internal predecessors, (1599), 440 states have call successors, (440), 89 states have call predecessors, (440), 88 states have return successors, (434), 428 states have call predecessors, (434), 434 states have call successors, (434) [2023-11-19 07:46:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 07:46:28,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:28,133 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:28,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:28,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:28,139 INFO L85 PathProgramCache]: Analyzing trace with hash -601773388, now seen corresponding path program 1 times [2023-11-19 07:46:28,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:28,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640448115] [2023-11-19 07:46:28,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:28,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:46:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:46:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:46:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 07:46:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:46:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:46:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:29,015 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 07:46:29,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:29,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640448115] [2023-11-19 07:46:29,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640448115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:29,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:29,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:46:29,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384051095] [2023-11-19 07:46:29,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:29,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:46:29,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:29,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:46:29,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:46:29,077 INFO L87 Difference]: Start difference. First operand has 1702 states, 1172 states have (on average 1.3643344709897611) internal successors, (1599), 1216 states have internal predecessors, (1599), 440 states have call successors, (440), 89 states have call predecessors, (440), 88 states have return successors, (434), 428 states have call predecessors, (434), 434 states have call successors, (434) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:46:34,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:34,838 INFO L93 Difference]: Finished difference Result 3758 states and 5659 transitions. [2023-11-19 07:46:34,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:34,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2023-11-19 07:46:34,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:34,903 INFO L225 Difference]: With dead ends: 3758 [2023-11-19 07:46:34,903 INFO L226 Difference]: Without dead ends: 2034 [2023-11-19 07:46:34,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:46:34,933 INFO L413 NwaCegarLoop]: 1886 mSDtfsCounter, 1359 mSDsluCounter, 1978 mSDsCounter, 0 mSdLazyCounter, 1990 mSolverCounterSat, 1306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 3864 SdHoareTripleChecker+Invalid, 3296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1306 IncrementalHoareTripleChecker+Valid, 1990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:34,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1423 Valid, 3864 Invalid, 3296 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1306 Valid, 1990 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-19 07:46:34,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2023-11-19 07:46:35,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1677. [2023-11-19 07:46:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 1155 states have (on average 1.348051948051948) internal successors, (1557), 1191 states have internal predecessors, (1557), 434 states have call successors, (434), 88 states have call predecessors, (434), 87 states have return successors, (425), 419 states have call predecessors, (425), 425 states have call successors, (425) [2023-11-19 07:46:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2416 transitions. [2023-11-19 07:46:35,224 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2416 transitions. Word has length 84 [2023-11-19 07:46:35,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:35,226 INFO L495 AbstractCegarLoop]: Abstraction has 1677 states and 2416 transitions. [2023-11-19 07:46:35,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:46:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2416 transitions. [2023-11-19 07:46:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 07:46:35,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:35,238 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:35,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:46:35,239 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:35,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:35,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1251898696, now seen corresponding path program 1 times [2023-11-19 07:46:35,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:35,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158279469] [2023-11-19 07:46:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:46:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:46:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:46:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 07:46:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:46:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:46:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 07:46:35,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:35,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158279469] [2023-11-19 07:46:35,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158279469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:35,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:35,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:46:35,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419561466] [2023-11-19 07:46:35,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:35,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:46:35,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:35,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:46:35,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:46:35,687 INFO L87 Difference]: Start difference. First operand 1677 states and 2416 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-19 07:46:45,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:45,360 INFO L93 Difference]: Finished difference Result 5665 states and 8401 transitions. [2023-11-19 07:46:45,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:46:45,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 84 [2023-11-19 07:46:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:45,404 INFO L225 Difference]: With dead ends: 5665 [2023-11-19 07:46:45,404 INFO L226 Difference]: Without dead ends: 4008 [2023-11-19 07:46:45,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:46:45,418 INFO L413 NwaCegarLoop]: 1855 mSDtfsCounter, 4281 mSDsluCounter, 4520 mSDsCounter, 0 mSdLazyCounter, 3516 mSolverCounterSat, 2718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4646 SdHoareTripleChecker+Valid, 6375 SdHoareTripleChecker+Invalid, 6234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2718 IncrementalHoareTripleChecker+Valid, 3516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:45,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4646 Valid, 6375 Invalid, 6234 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2718 Valid, 3516 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-11-19 07:46:45,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2023-11-19 07:46:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 3275. [2023-11-19 07:46:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3275 states, 2258 states have (on average 1.3489813994685562) internal successors, (3046), 2324 states have internal predecessors, (3046), 844 states have call successors, (844), 173 states have call predecessors, (844), 172 states have return successors, (835), 821 states have call predecessors, (835), 835 states have call successors, (835) [2023-11-19 07:46:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 3275 states and 4725 transitions. [2023-11-19 07:46:45,702 INFO L78 Accepts]: Start accepts. Automaton has 3275 states and 4725 transitions. Word has length 84 [2023-11-19 07:46:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:45,703 INFO L495 AbstractCegarLoop]: Abstraction has 3275 states and 4725 transitions. [2023-11-19 07:46:45,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-19 07:46:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 4725 transitions. [2023-11-19 07:46:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 07:46:45,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:45,709 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:45,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:46:45,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:45,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:45,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1050127579, now seen corresponding path program 1 times [2023-11-19 07:46:45,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:45,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864606042] [2023-11-19 07:46:45,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:45,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:46:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:46:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:46:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 07:46:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:46:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:46:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:46:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 07:46:46,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:46,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864606042] [2023-11-19 07:46:46,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864606042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:46,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:46,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:46:46,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491859846] [2023-11-19 07:46:46,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:46,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:46:46,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:46,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:46:46,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:46:46,306 INFO L87 Difference]: Start difference. First operand 3275 states and 4725 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:46:54,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:54,068 INFO L93 Difference]: Finished difference Result 11134 states and 16545 transitions. [2023-11-19 07:46:54,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:46:54,069 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2023-11-19 07:46:54,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:54,159 INFO L225 Difference]: With dead ends: 11134 [2023-11-19 07:46:54,159 INFO L226 Difference]: Without dead ends: 7879 [2023-11-19 07:46:54,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:46:54,185 INFO L413 NwaCegarLoop]: 1905 mSDtfsCounter, 5523 mSDsluCounter, 2860 mSDsCounter, 0 mSdLazyCounter, 2282 mSolverCounterSat, 4006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5893 SdHoareTripleChecker+Valid, 4765 SdHoareTripleChecker+Invalid, 6288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4006 IncrementalHoareTripleChecker+Valid, 2282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:54,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5893 Valid, 4765 Invalid, 6288 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4006 Valid, 2282 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-19 07:46:54,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7879 states. [2023-11-19 07:46:54,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7879 to 6449. [2023-11-19 07:46:54,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6449 states, 4453 states have (on average 1.3501010554682236) internal successors, (6012), 4574 states have internal predecessors, (6012), 1657 states have call successors, (1657), 339 states have call predecessors, (1657), 338 states have return successors, (1648), 1623 states have call predecessors, (1648), 1648 states have call successors, (1648) [2023-11-19 07:46:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6449 states to 6449 states and 9317 transitions. [2023-11-19 07:46:54,798 INFO L78 Accepts]: Start accepts. Automaton has 6449 states and 9317 transitions. Word has length 89 [2023-11-19 07:46:54,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:54,800 INFO L495 AbstractCegarLoop]: Abstraction has 6449 states and 9317 transitions. [2023-11-19 07:46:54,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:46:54,800 INFO L276 IsEmpty]: Start isEmpty. Operand 6449 states and 9317 transitions. [2023-11-19 07:46:54,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 07:46:54,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:54,802 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:54,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:46:54,803 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:54,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:54,803 INFO L85 PathProgramCache]: Analyzing trace with hash -472761228, now seen corresponding path program 1 times [2023-11-19 07:46:54,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:54,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815385100] [2023-11-19 07:46:54,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:54,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:46:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:46:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:46:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 07:46:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:46:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:46:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:46:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,223 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 07:46:55,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:55,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815385100] [2023-11-19 07:46:55,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815385100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:55,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:55,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:46:55,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895495147] [2023-11-19 07:46:55,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:55,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:46:55,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:55,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:46:55,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:46:55,226 INFO L87 Difference]: Start difference. First operand 6449 states and 9317 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:47:01,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:01,626 INFO L93 Difference]: Finished difference Result 7870 states and 11830 transitions. [2023-11-19 07:47:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:47:01,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 90 [2023-11-19 07:47:01,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:01,701 INFO L225 Difference]: With dead ends: 7870 [2023-11-19 07:47:01,701 INFO L226 Difference]: Without dead ends: 7867 [2023-11-19 07:47:01,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:47:01,707 INFO L413 NwaCegarLoop]: 1843 mSDtfsCounter, 3360 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 2612 mSolverCounterSat, 1584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3663 SdHoareTripleChecker+Valid, 4762 SdHoareTripleChecker+Invalid, 4196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1584 IncrementalHoareTripleChecker+Valid, 2612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:01,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3663 Valid, 4762 Invalid, 4196 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1584 Valid, 2612 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-19 07:47:01,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7867 states. [2023-11-19 07:47:02,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7867 to 6448. [2023-11-19 07:47:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6448 states, 4453 states have (on average 1.34987648776106) internal successors, (6011), 4573 states have internal predecessors, (6011), 1656 states have call successors, (1656), 339 states have call predecessors, (1656), 338 states have return successors, (1648), 1623 states have call predecessors, (1648), 1648 states have call successors, (1648) [2023-11-19 07:47:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6448 states to 6448 states and 9315 transitions. [2023-11-19 07:47:02,336 INFO L78 Accepts]: Start accepts. Automaton has 6448 states and 9315 transitions. Word has length 90 [2023-11-19 07:47:02,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:02,339 INFO L495 AbstractCegarLoop]: Abstraction has 6448 states and 9315 transitions. [2023-11-19 07:47:02,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:47:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 6448 states and 9315 transitions. [2023-11-19 07:47:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 07:47:02,347 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:02,347 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:02,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:47:02,348 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:02,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:02,348 INFO L85 PathProgramCache]: Analyzing trace with hash 804584311, now seen corresponding path program 1 times [2023-11-19 07:47:02,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:02,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554973122] [2023-11-19 07:47:02,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:02,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:47:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 07:47:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:47:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:47:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-19 07:47:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 07:47:02,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:02,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554973122] [2023-11-19 07:47:02,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554973122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:02,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:02,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:47:02,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229061697] [2023-11-19 07:47:02,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:02,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:47:02,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:02,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:47:02,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:47:02,763 INFO L87 Difference]: Start difference. First operand 6448 states and 9315 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)