./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/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_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/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_91d98471-5258-4860-860d-19042a885d02/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 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:00,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:00,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:04:00,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:00,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:00,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:00,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:00,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:00,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:00,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:00,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:00,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:00,621 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:00,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:00,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:00,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:00,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:00,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:00,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:00,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:00,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:00,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:00,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:00,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:00,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:00,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:00,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:00,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:00,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:00,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:00,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:00,630 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:00,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:00,631 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:00,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:00,632 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:00,633 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_91d98471-5258-4860-860d-19042a885d02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 [2023-11-19 08:04:00,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:01,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:01,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:01,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:01,009 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:01,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2023-11-19 08:04:04,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:04,958 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:04,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2023-11-19 08:04:05,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/data/fb60f1130/df69e9ee6b1a47e5aa72ccf5cb3e7b70/FLAG688353523 [2023-11-19 08:04:05,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/data/fb60f1130/df69e9ee6b1a47e5aa72ccf5cb3e7b70 [2023-11-19 08:04:05,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:05,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:05,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:05,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:05,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:05,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:05" (1/1) ... [2023-11-19 08:04:05,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1886b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:05, skipping insertion in model container [2023-11-19 08:04:05,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:05" (1/1) ... [2023-11-19 08:04:05,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:08,532 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_91d98471-5258-4860-860d-19042a885d02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2023-11-19 08:04:08,539 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_91d98471-5258-4860-860d-19042a885d02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2023-11-19 08:04:08,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:08,675 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:08,799 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"); [5260] [2023-11-19 08:04:08,801 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5267] [2023-11-19 08:04:08,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5274] [2023-11-19 08:04:08,804 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5315-5316] [2023-11-19 08:04:08,804 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.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5321-5323] [2023-11-19 08:04:08,817 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5548-5549] [2023-11-19 08:04:08,820 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/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5582-5583] [2023-11-19 08:04:08,822 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/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5619-5620] [2023-11-19 08:04:08,823 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/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5656-5657] [2023-11-19 08:04:08,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6063] [2023-11-19 08:04:08,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6066] [2023-11-19 08:04:08,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6069] [2023-11-19 08:04:08,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6072] [2023-11-19 08:04:08,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6103] [2023-11-19 08:04:08,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6106] [2023-11-19 08:04:08,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6109] [2023-11-19 08:04:08,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6112] [2023-11-19 08:04:08,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6143] [2023-11-19 08:04:08,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6146] [2023-11-19 08:04:08,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6149] [2023-11-19 08:04:08,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6152] [2023-11-19 08:04:08,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6183] [2023-11-19 08:04:08,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6186] [2023-11-19 08:04:08,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6189] [2023-11-19 08:04:08,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6192] [2023-11-19 08:04:08,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7482] [2023-11-19 08:04:08,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7484] [2023-11-19 08:04:08,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7491] [2023-11-19 08:04:08,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7626] [2023-11-19 08:04:09,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8003] [2023-11-19 08:04:09,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8442] [2023-11-19 08:04:09,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/dec/tulip/winbond-840.c"), "i" (1594), "i" (12UL)); [8524-8525] [2023-11-19 08:04:09,055 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 *)"drivers/net/ethernet/dec/tulip/winbond-840.c"), "i" (1594), "i" (12UL)); [8535-8536] [2023-11-19 08:04:09,137 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_91d98471-5258-4860-860d-19042a885d02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2023-11-19 08:04:09,138 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_91d98471-5258-4860-860d-19042a885d02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2023-11-19 08:04:09,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:09,394 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:09,395 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:09,403 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:09,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09 WrapperNode [2023-11-19 08:04:09,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:09,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:09,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:09,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:09,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:09,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:09,782 INFO L138 Inliner]: procedures = 434, calls = 2074, calls flagged for inlining = 219, calls inlined = 204, statements flattened = 5545 [2023-11-19 08:04:09,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:09,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:09,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:09,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:09,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:09,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:09,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:09,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:09,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:10,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:10,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:10,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:10,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:10,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:10,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:10,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:10,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (1/1) ... [2023-11-19 08:04:10,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:10,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:10,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:10,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d98471-5258-4860-860d-19042a885d02/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 08:04:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 08:04:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:04:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:04:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 08:04:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 08:04:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-19 08:04:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-19 08:04:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 08:04:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 08:04:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:04:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:04:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure w840_remove1 [2023-11-19 08:04:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_remove1 [2023-11-19 08:04:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_88 [2023-11-19 08:04:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_88 [2023-11-19 08:04:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 08:04:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 08:04:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 08:04:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 08:04:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 08:04:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 08:04:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 08:04:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 08:04:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure update_link [2023-11-19 08:04:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure update_link [2023-11-19 08:04:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 08:04:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 08:04:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 08:04:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 08:04:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 08:04:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 08:04:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 08:04:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 08:04:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 08:04:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 08:04:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 08:04:10,192 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 08:04:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 08:04:10,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 08:04:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-19 08:04:10,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-19 08:04:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 08:04:10,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 08:04:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-19 08:04:10,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-19 08:04:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:04:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 08:04:10,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 08:04:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-19 08:04:10,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-19 08:04:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 08:04:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 08:04:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:04:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:04:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:04:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 08:04:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 08:04:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:04:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 08:04:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 08:04:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 08:04:10,199 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 08:04:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:04:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 08:04:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 08:04:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 08:04:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 08:04:10,200 INFO L130 BoogieDeclarations]: Found specification of procedure init_rxtx_rings [2023-11-19 08:04:10,200 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rxtx_rings [2023-11-19 08:04:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 08:04:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 08:04:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 08:04:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 08:04:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 08:04:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 08:04:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 08:04:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 08:04:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2023-11-19 08:04:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2023-11-19 08:04:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:04:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 08:04:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 08:04:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 08:04:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 08:04:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-11-19 08:04:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-11-19 08:04:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 08:04:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 08:04:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:04:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:04:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:04:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 08:04:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:04:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:04:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 08:04:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 08:04:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 08:04:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 08:04:10,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 08:04:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 08:04:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 08:04:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 08:04:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 08:04:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 08:04:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 08:04:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 08:04:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure update_csr6 [2023-11-19 08:04:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure update_csr6 [2023-11-19 08:04:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 08:04:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 08:04:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure w840_resume [2023-11-19 08:04:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_resume [2023-11-19 08:04:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 08:04:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 08:04:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:10,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:04:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:04:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:04:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:04:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-19 08:04:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-19 08:04:10,219 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-19 08:04:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-19 08:04:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-19 08:04:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 08:04:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 08:04:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-19 08:04:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-19 08:04:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 08:04:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 08:04:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:04:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:04:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-11-19 08:04:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-11-19 08:04:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 08:04:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 08:04:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 08:04:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 08:04:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:04:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 08:04:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 08:04:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:04:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 08:04:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 08:04:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_87 [2023-11-19 08:04:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_87 [2023-11-19 08:04:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:04:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:04:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:04:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 08:04:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 08:04:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-19 08:04:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-19 08:04:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 08:04:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 08:04:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-19 08:04:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-19 08:04:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-19 08:04:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-19 08:04:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 08:04:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 08:04:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 08:04:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 08:04:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 08:04:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 08:04:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 08:04:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 08:04:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:04:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:04:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:04:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2023-11-19 08:04:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2023-11-19 08:04:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2023-11-19 08:04:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2023-11-19 08:04:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 08:04:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 08:04:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-19 08:04:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-19 08:04:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-19 08:04:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-19 08:04:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 08:04:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 08:04:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 08:04:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 08:04:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:04:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:04:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure free_rxtx_rings [2023-11-19 08:04:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rxtx_rings [2023-11-19 08:04:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:10,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 08:04:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 08:04:11,146 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:11,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:11,537 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:04:15,364 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 08:04:15,497 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:15,529 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:15,530 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 08:04:15,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:15 BoogieIcfgContainer [2023-11-19 08:04:15,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:15,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:15,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:15,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:15,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:05" (1/3) ... [2023-11-19 08:04:15,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2fbbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:15, skipping insertion in model container [2023-11-19 08:04:15,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:09" (2/3) ... [2023-11-19 08:04:15,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2fbbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:15, skipping insertion in model container [2023-11-19 08:04:15,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:15" (3/3) ... [2023-11-19 08:04:15,562 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2023-11-19 08:04:15,581 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:15,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:15,689 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:15,697 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;@12c64fce, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:15,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 1918 states, 1350 states have (on average 1.337037037037037) internal successors, (1805), 1372 states have internal predecessors, (1805), 480 states have call successors, (480), 88 states have call predecessors, (480), 87 states have return successors, (475), 471 states have call predecessors, (475), 475 states have call successors, (475) [2023-11-19 08:04:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 08:04:15,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:15,776 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:15,777 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:15,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:15,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1467966344, now seen corresponding path program 1 times [2023-11-19 08:04:15,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:15,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203100403] [2023-11-19 08:04:15,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:15,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:04:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:04:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:04:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:04:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:04:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:04:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:04:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:04:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:04:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-19 08:04:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 08:04:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 08:04:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 08:04:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-19 08:04:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-19 08:04:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,399 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-11-19 08:04:17,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:17,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203100403] [2023-11-19 08:04:17,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203100403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:17,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:17,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:17,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708686121] [2023-11-19 08:04:17,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:17,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:17,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:17,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:17,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:17,460 INFO L87 Difference]: Start difference. First operand has 1918 states, 1350 states have (on average 1.337037037037037) internal successors, (1805), 1372 states have internal predecessors, (1805), 480 states have call successors, (480), 88 states have call predecessors, (480), 87 states have return successors, (475), 471 states have call predecessors, (475), 475 states have call successors, (475) Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 08:04:23,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:23,259 INFO L93 Difference]: Finished difference Result 5352 states and 7763 transitions. [2023-11-19 08:04:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:04:23,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 165 [2023-11-19 08:04:23,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:23,324 INFO L225 Difference]: With dead ends: 5352 [2023-11-19 08:04:23,324 INFO L226 Difference]: Without dead ends: 3387 [2023-11-19 08:04:23,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:23,357 INFO L413 NwaCegarLoop]: 2071 mSDtfsCounter, 2853 mSDsluCounter, 2765 mSDsCounter, 0 mSdLazyCounter, 2256 mSolverCounterSat, 1146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3225 SdHoareTripleChecker+Valid, 4836 SdHoareTripleChecker+Invalid, 3402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1146 IncrementalHoareTripleChecker+Valid, 2256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:23,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3225 Valid, 4836 Invalid, 3402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1146 Valid, 2256 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-19 08:04:23,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3387 states. [2023-11-19 08:04:23,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3387 to 3325. [2023-11-19 08:04:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 2339 states have (on average 1.2932877297990595) internal successors, (3025), 2377 states have internal predecessors, (3025), 816 states have call successors, (816), 168 states have call predecessors, (816), 169 states have return successors, (824), 805 states have call predecessors, (824), 816 states have call successors, (824) [2023-11-19 08:04:23,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 4665 transitions. [2023-11-19 08:04:23,730 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 4665 transitions. Word has length 165 [2023-11-19 08:04:23,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:23,733 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 4665 transitions. [2023-11-19 08:04:23,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 08:04:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 4665 transitions. [2023-11-19 08:04:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 08:04:23,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:23,761 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:23,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:04:23,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:23,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:23,763 INFO L85 PathProgramCache]: Analyzing trace with hash 305444022, now seen corresponding path program 1 times [2023-11-19 08:04:23,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:23,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100230016] [2023-11-19 08:04:23,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:23,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:04:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:04:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:04:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:04:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:04:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:04:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:04:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:04:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-19 08:04:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 08:04:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-19 08:04:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-19 08:04:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-19 08:04:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-19 08:04:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 08:04:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-19 08:04:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-19 08:04:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 08:04:24,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:24,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100230016] [2023-11-19 08:04:24,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100230016] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:24,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:24,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:24,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900467940] [2023-11-19 08:04:24,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:24,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:24,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:24,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:24,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:24,544 INFO L87 Difference]: Start difference. First operand 3325 states and 4665 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 08:04:29,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:29,343 INFO L93 Difference]: Finished difference Result 8856 states and 12442 transitions. [2023-11-19 08:04:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:04:29,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 202 [2023-11-19 08:04:29,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:29,393 INFO L225 Difference]: With dead ends: 8856 [2023-11-19 08:04:29,393 INFO L226 Difference]: Without dead ends: 5552 [2023-11-19 08:04:29,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:29,412 INFO L413 NwaCegarLoop]: 2496 mSDtfsCounter, 2443 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 2340 mSolverCounterSat, 841 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 3181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 841 IncrementalHoareTripleChecker+Valid, 2340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:29,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2717 Valid, 5552 Invalid, 3181 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [841 Valid, 2340 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-19 08:04:29,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5552 states. [2023-11-19 08:04:29,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5552 to 5444. [2023-11-19 08:04:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5444 states, 3892 states have (on average 1.3034429599177801) internal successors, (5073), 3949 states have internal predecessors, (5073), 1262 states have call successors, (1262), 288 states have call predecessors, (1262), 289 states have return successors, (1270), 1249 states have call predecessors, (1270), 1262 states have call successors, (1270) [2023-11-19 08:04:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5444 states to 5444 states and 7605 transitions. [2023-11-19 08:04:29,786 INFO L78 Accepts]: Start accepts. Automaton has 5444 states and 7605 transitions. Word has length 202 [2023-11-19 08:04:29,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:29,788 INFO L495 AbstractCegarLoop]: Abstraction has 5444 states and 7605 transitions. [2023-11-19 08:04:29,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 08:04:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 5444 states and 7605 transitions. [2023-11-19 08:04:29,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-19 08:04:29,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:29,802 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:29,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:04:29,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:29,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:29,803 INFO L85 PathProgramCache]: Analyzing trace with hash 150043298, now seen corresponding path program 1 times [2023-11-19 08:04:29,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:29,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965573767] [2023-11-19 08:04:29,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:29,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:04:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:04:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:04:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:04:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:04:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:04:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:04:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:04:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-19 08:04:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-19 08:04:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 08:04:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 08:04:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-19 08:04:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 08:04:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-19 08:04:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 08:04:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 08:04:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-19 08:04:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-19 08:04:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-19 08:04:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:04:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-19 08:04:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-19 08:04:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-19 08:04:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-19 08:04:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-19 08:04:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-19 08:04:30,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:30,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965573767] [2023-11-19 08:04:30,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965573767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:30,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:30,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:04:30,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312323034] [2023-11-19 08:04:30,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:30,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:04:30,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:30,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:04:30,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:04:30,453 INFO L87 Difference]: Start difference. First operand 5444 states and 7605 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-19 08:04:40,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:40,494 INFO L93 Difference]: Finished difference Result 15444 states and 21696 transitions. [2023-11-19 08:04:40,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 08:04:40,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 233 [2023-11-19 08:04:40,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:40,578 INFO L225 Difference]: With dead ends: 15444 [2023-11-19 08:04:40,578 INFO L226 Difference]: Without dead ends: 10021 [2023-11-19 08:04:40,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-19 08:04:40,607 INFO L413 NwaCegarLoop]: 1706 mSDtfsCounter, 5763 mSDsluCounter, 4280 mSDsCounter, 0 mSdLazyCounter, 3644 mSolverCounterSat, 3997 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6047 SdHoareTripleChecker+Valid, 5986 SdHoareTripleChecker+Invalid, 7641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3997 IncrementalHoareTripleChecker+Valid, 3644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:40,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6047 Valid, 5986 Invalid, 7641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3997 Valid, 3644 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2023-11-19 08:04:40,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10021 states. [2023-11-19 08:04:41,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10021 to 9361. [2023-11-19 08:04:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9361 states, 6654 states have (on average 1.30297565374211) internal successors, (8670), 6761 states have internal predecessors, (8670), 2182 states have call successors, (2182), 524 states have call predecessors, (2182), 524 states have return successors, (2198), 2152 states have call predecessors, (2198), 2182 states have call successors, (2198) [2023-11-19 08:04:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9361 states to 9361 states and 13050 transitions. [2023-11-19 08:04:41,257 INFO L78 Accepts]: Start accepts. Automaton has 9361 states and 13050 transitions. Word has length 233 [2023-11-19 08:04:41,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:41,258 INFO L495 AbstractCegarLoop]: Abstraction has 9361 states and 13050 transitions. [2023-11-19 08:04:41,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-19 08:04:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 9361 states and 13050 transitions. [2023-11-19 08:04:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-19 08:04:41,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:41,273 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 8, 8, 8, 8, 8, 5, 5, 5, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:41,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:04:41,273 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:41,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:41,274 INFO L85 PathProgramCache]: Analyzing trace with hash -694353205, now seen corresponding path program 1 times [2023-11-19 08:04:41,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:41,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051052849] [2023-11-19 08:04:41,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:41,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:04:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:04:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:04:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:04:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:04:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:04:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:04:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:04:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-19 08:04:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 08:04:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 08:04:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 08:04:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 08:04:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-19 08:04:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-19 08:04:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-19 08:04:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-19 08:04:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-19 08:04:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-19 08:04:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-19 08:04:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-19 08:04:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-19 08:04:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-19 08:04:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-19 08:04:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-19 08:04:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-19 08:04:42,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:42,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051052849] [2023-11-19 08:04:42,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051052849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:42,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:42,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:42,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850105660] [2023-11-19 08:04:42,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:42,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:42,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:42,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:42,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:42,202 INFO L87 Difference]: Start difference. First operand 9361 states and 13050 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29)