./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-amd-amd8111e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:48:01,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:48:01,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:48:01,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:48:01,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:48:01,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:48:01,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:48:01,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:48:01,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:48:01,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:48:01,643 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:48:01,644 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:48:01,644 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:48:01,644 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:48:01,644 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:48:01,644 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:48:01,645 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:48:01,645 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:48:01,645 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:48:01,645 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:48:01,646 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:48:01,646 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:48:01,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:48:01,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:48:01,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:48:01,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:48:01,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:48:01,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:48:01,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:48:01,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:48:01,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:48:01,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:48:01,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:48:01,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:48:01,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:48:01,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:48:01,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:48:01,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:48:01,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:48:01,650 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:48:01,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:48:01,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:48:01,650 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:48:01,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:48:01,651 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff [2024-11-14 03:48:02,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:48:02,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:48:02,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:48:02,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:48:02,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:48:02,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i Unable to find full path for "g++" [2024-11-14 03:48:04,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:48:05,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:48:05,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-11-14 03:48:05,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/data/5d716fc2f/4ad1b52ad3f0431c855cb43938d1f3c0/FLAG3ec89e409 [2024-11-14 03:48:05,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/data/5d716fc2f/4ad1b52ad3f0431c855cb43938d1f3c0 [2024-11-14 03:48:05,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:48:05,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:48:05,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:48:05,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:48:05,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:48:05,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:48:05" (1/1) ... [2024-11-14 03:48:05,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70542538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:05, skipping insertion in model container [2024-11-14 03:48:05,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:48:05" (1/1) ... [2024-11-14 03:48:05,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:48:09,639 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2024-11-14 03:48:09,644 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2024-11-14 03:48:09,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:48:09,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:48:09,954 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"); [5299] [2024-11-14 03:48:09,957 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)); [5306] [2024-11-14 03:48:09,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5313] [2024-11-14 03:48:09,961 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)); [5352-5353] [2024-11-14 03:48:09,963 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"); [5358-5360] [2024-11-14 03:48:09,964 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" (809), "i" (12UL)); [5385-5386] [2024-11-14 03:48:09,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5391-5393] [2024-11-14 03:48:09,966 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" (814), "i" (12UL)); [5417-5418] [2024-11-14 03:48:09,967 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5423-5425] [2024-11-14 03:48:09,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5565] [2024-11-14 03:48:09,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5573] [2024-11-14 03:48:09,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5581] [2024-11-14 03:48:09,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5588] [2024-11-14 03:48:09,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5595] [2024-11-14 03:48:09,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5602] [2024-11-14 03:48:09,993 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)); [5697-5698] [2024-11-14 03:48:09,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5731-5732] [2024-11-14 03:48:10,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5969-5970] [2024-11-14 03:48:10,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5976] [2024-11-14 03:48:10,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6673] [2024-11-14 03:48:10,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7129] [2024-11-14 03:48:10,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7721] [2024-11-14 03:48:10,411 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2024-11-14 03:48:10,412 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2024-11-14 03:48:10,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:48:10,757 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:48:10,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10 WrapperNode [2024-11-14 03:48:10,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:48:10,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:48:10,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:48:10,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:48:10,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:10,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,304 INFO L138 Inliner]: procedures = 453, calls = 1916, calls flagged for inlining = 226, calls inlined = 205, statements flattened = 5259 [2024-11-14 03:48:11,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:48:11,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:48:11,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:48:11,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:48:11,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:48:11,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:48:11,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:48:11,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:48:11,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (1/1) ... [2024-11-14 03:48:11,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:48:11,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:48:11,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:48:11,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:48:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-14 03:48:11,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-14 03:48:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2024-11-14 03:48:11,816 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2024-11-14 03:48:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 03:48:11,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 03:48:11,817 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-14 03:48:11,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-14 03:48:11,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2024-11-14 03:48:11,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2024-11-14 03:48:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-14 03:48:11,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-14 03:48:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 03:48:11,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 03:48:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2024-11-14 03:48:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2024-11-14 03:48:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-14 03:48:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-14 03:48:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-14 03:48:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-14 03:48:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-14 03:48:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-14 03:48:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-14 03:48:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-14 03:48:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-14 03:48:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-14 03:48:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 03:48:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 03:48:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-14 03:48:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-14 03:48:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-14 03:48:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-14 03:48:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 03:48:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 03:48:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-14 03:48:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-14 03:48:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-14 03:48:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-14 03:48:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:48:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-14 03:48:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-14 03:48:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-11-14 03:48:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-11-14 03:48:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2024-11-14 03:48:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2024-11-14 03:48:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-14 03:48:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-14 03:48:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2024-11-14 03:48:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2024-11-14 03:48:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 03:48:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2024-11-14 03:48:11,827 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2024-11-14 03:48:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-14 03:48:11,827 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-14 03:48:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2024-11-14 03:48:11,827 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2024-11-14 03:48:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 03:48:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2024-11-14 03:48:11,827 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2024-11-14 03:48:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 03:48:11,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 03:48:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:48:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-14 03:48:11,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-14 03:48:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-14 03:48:11,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-14 03:48:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-14 03:48:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-14 03:48:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-14 03:48:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-14 03:48:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-14 03:48:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-14 03:48:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-14 03:48:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-14 03:48:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-14 03:48:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-14 03:48:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2024-11-14 03:48:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2024-11-14 03:48:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 03:48:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-14 03:48:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-14 03:48:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-14 03:48:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-14 03:48:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2024-11-14 03:48:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2024-11-14 03:48:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-14 03:48:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-14 03:48:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:48:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 03:48:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 03:48:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 03:48:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 03:48:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:48:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 03:48:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 03:48:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-11-14 03:48:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-11-14 03:48:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-11-14 03:48:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-11-14 03:48:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-14 03:48:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-14 03:48:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2024-11-14 03:48:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2024-11-14 03:48:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-14 03:48:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-14 03:48:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-14 03:48:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-14 03:48:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 03:48:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 03:48:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2024-11-14 03:48:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2024-11-14 03:48:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-14 03:48:11,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-14 03:48:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-14 03:48:11,834 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-14 03:48:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-14 03:48:11,834 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-14 03:48:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-14 03:48:11,834 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-14 03:48:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-14 03:48:11,834 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-14 03:48:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-11-14 03:48:11,834 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-11-14 03:48:11,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:48:11,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:48:11,835 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2024-11-14 03:48:11,835 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2024-11-14 03:48:11,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 03:48:11,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 03:48:11,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 03:48:11,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 03:48:11,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-14 03:48:11,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-14 03:48:11,837 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2024-11-14 03:48:11,837 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2024-11-14 03:48:11,838 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2024-11-14 03:48:11,838 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2024-11-14 03:48:11,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-14 03:48:11,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-14 03:48:11,838 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2024-11-14 03:48:11,838 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2024-11-14 03:48:11,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-14 03:48:11,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-14 03:48:11,838 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2024-11-14 03:48:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2024-11-14 03:48:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-14 03:48:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-14 03:48:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-14 03:48:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-14 03:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-14 03:48:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-14 03:48:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-14 03:48:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-14 03:48:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:48:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-14 03:48:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-14 03:48:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-14 03:48:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-14 03:48:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:48:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_89 [2024-11-14 03:48:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_89 [2024-11-14 03:48:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2024-11-14 03:48:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2024-11-14 03:48:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-14 03:48:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-14 03:48:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2024-11-14 03:48:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2024-11-14 03:48:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2024-11-14 03:48:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2024-11-14 03:48:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 03:48:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 03:48:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-14 03:48:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-14 03:48:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 03:48:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 03:48:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-14 03:48:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-14 03:48:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2024-11-14 03:48:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2024-11-14 03:48:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-14 03:48:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-14 03:48:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-14 03:48:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-14 03:48:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-14 03:48:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-14 03:48:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-14 03:48:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 03:48:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2024-11-14 03:48:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-14 03:48:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2024-11-14 03:48:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2024-11-14 03:48:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 03:48:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 03:48:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-14 03:48:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-14 03:48:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2024-11-14 03:48:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2024-11-14 03:48:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-14 03:48:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-14 03:48:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:48:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2024-11-14 03:48:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2024-11-14 03:48:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-14 03:48:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-14 03:48:13,224 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:48:13,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:48:14,402 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 03:48:25,065 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-14 03:48:26,681 INFO L? ?]: Removed 2408 outVars from TransFormulas that were not future-live. [2024-11-14 03:48:26,682 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:48:29,627 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:48:29,627 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 03:48:29,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:48:29 BoogieIcfgContainer [2024-11-14 03:48:29,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:48:29,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:48:29,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:48:29,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:48:29,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:48:05" (1/3) ... [2024-11-14 03:48:29,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47098b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:48:29, skipping insertion in model container [2024-11-14 03:48:29,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:10" (2/3) ... [2024-11-14 03:48:29,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47098b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:48:29, skipping insertion in model container [2024-11-14 03:48:29,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:48:29" (3/3) ... [2024-11-14 03:48:29,642 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-11-14 03:48:29,667 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:48:29,673 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i that has 100 procedures, 1461 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 03:48:29,843 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:48:29,870 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@4e27ef3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:48:29,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:48:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 1459 states, 822 states have (on average 1.2664233576642336) internal successors, (1041), 846 states have internal predecessors, (1041), 538 states have call successors, (538), 99 states have call predecessors, (538), 98 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) [2024-11-14 03:48:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-14 03:48:29,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:48:29,982 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 5, 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] [2024-11-14 03:48:29,986 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:48:29,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:48:29,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1782291151, now seen corresponding path program 1 times [2024-11-14 03:48:30,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:48:30,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492307666] [2024-11-14 03:48:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:30,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:48:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:48:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-14 03:48:36,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:48:36,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492307666] [2024-11-14 03:48:36,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492307666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:48:36,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:48:36,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:48:36,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017847114] [2024-11-14 03:48:36,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:48:36,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:48:36,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:48:36,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:48:36,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:48:36,946 INFO L87 Difference]: Start difference. First operand has 1459 states, 822 states have (on average 1.2664233576642336) internal successors, (1041), 846 states have internal predecessors, (1041), 538 states have call successors, (538), 99 states have call predecessors, (538), 98 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-14 03:48:39,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:48:41,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:48:47,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:48:47,401 INFO L93 Difference]: Finished difference Result 3825 states and 5547 transitions. [2024-11-14 03:48:47,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:48:47,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 209 [2024-11-14 03:48:47,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:48:47,468 INFO L225 Difference]: With dead ends: 3825 [2024-11-14 03:48:47,468 INFO L226 Difference]: Without dead ends: 2312 [2024-11-14 03:48:47,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:48:47,499 INFO L432 NwaCegarLoop]: 1815 mSDtfsCounter, 1318 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 3589 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:48:47,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 3589 Invalid, 656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 636 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2024-11-14 03:48:47,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2024-11-14 03:48:47,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2309. [2024-11-14 03:48:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1330 states have (on average 1.2669172932330828) internal successors, (1685), 1366 states have internal predecessors, (1685), 812 states have call successors, (812), 166 states have call predecessors, (812), 166 states have return successors, (812), 801 states have call predecessors, (812), 812 states have call successors, (812) [2024-11-14 03:48:47,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3309 transitions. [2024-11-14 03:48:47,999 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3309 transitions. Word has length 209 [2024-11-14 03:48:48,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:48:48,000 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3309 transitions. [2024-11-14 03:48:48,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-14 03:48:48,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3309 transitions. [2024-11-14 03:48:48,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-14 03:48:48,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:48:48,024 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 5, 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] [2024-11-14 03:48:48,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:48:48,025 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:48:48,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:48:48,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1813956917, now seen corresponding path program 1 times [2024-11-14 03:48:48,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:48:48,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273486005] [2024-11-14 03:48:48,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:48,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:48:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:48:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-14 03:48:52,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:48:52,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273486005] [2024-11-14 03:48:52,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273486005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:48:52,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:48:52,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:48:52,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087951228] [2024-11-14 03:48:52,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:48:52,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:48:52,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:48:52,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:48:52,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:48:52,129 INFO L87 Difference]: Start difference. First operand 2309 states and 3309 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-14 03:48:54,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:48:56,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:49:03,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:03,171 INFO L93 Difference]: Finished difference Result 6079 states and 8681 transitions. [2024-11-14 03:49:03,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:49:03,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 199 [2024-11-14 03:49:03,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:03,224 INFO L225 Difference]: With dead ends: 6079 [2024-11-14 03:49:03,224 INFO L226 Difference]: Without dead ends: 3791 [2024-11-14 03:49:03,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:49:03,246 INFO L432 NwaCegarLoop]: 1771 mSDtfsCounter, 1705 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 3475 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:49:03,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 3475 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 620 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2024-11-14 03:49:03,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2024-11-14 03:49:03,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3787. [2024-11-14 03:49:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 2179 states have (on average 1.2597521798990363) internal successors, (2745), 2243 states have internal predecessors, (2745), 1321 states have call successors, (1321), 286 states have call predecessors, (1321), 286 states have return successors, (1324), 1299 states have call predecessors, (1324), 1321 states have call successors, (1324) [2024-11-14 03:49:03,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 5390 transitions. [2024-11-14 03:49:03,591 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 5390 transitions. Word has length 199 [2024-11-14 03:49:03,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:03,592 INFO L471 AbstractCegarLoop]: Abstraction has 3787 states and 5390 transitions. [2024-11-14 03:49:03,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-14 03:49:03,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 5390 transitions. [2024-11-14 03:49:03,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-14 03:49:03,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:03,607 INFO L215 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:03,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:49:03,608 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:03,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:03,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1329769721, now seen corresponding path program 1 times [2024-11-14 03:49:03,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:49:03,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352576215] [2024-11-14 03:49:03,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:03,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:49:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-14 03:49:08,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:49:08,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352576215] [2024-11-14 03:49:08,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352576215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:08,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:08,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:49:08,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183459645] [2024-11-14 03:49:08,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:08,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:49:08,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:49:08,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:49:08,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:49:08,481 INFO L87 Difference]: Start difference. First operand 3787 states and 5390 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-14 03:49:10,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:49:12,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:49:20,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:20,893 INFO L93 Difference]: Finished difference Result 8747 states and 12449 transitions. [2024-11-14 03:49:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:49:20,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 252 [2024-11-14 03:49:20,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:20,958 INFO L225 Difference]: With dead ends: 8747 [2024-11-14 03:49:20,959 INFO L226 Difference]: Without dead ends: 4981 [2024-11-14 03:49:20,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:49:20,988 INFO L432 NwaCegarLoop]: 2809 mSDtfsCounter, 1267 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 4519 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:49:20,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 4519 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 818 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2024-11-14 03:49:21,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4981 states. [2024-11-14 03:49:21,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4981 to 4977. [2024-11-14 03:49:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4977 states, 2894 states have (on average 1.2633033863165168) internal successors, (3656), 2978 states have internal predecessors, (3656), 1699 states have call successors, (1699), 383 states have call predecessors, (1699), 383 states have return successors, (1702), 1671 states have call predecessors, (1702), 1699 states have call successors, (1702) [2024-11-14 03:49:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 7057 transitions. [2024-11-14 03:49:21,381 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 7057 transitions. Word has length 252 [2024-11-14 03:49:21,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:21,382 INFO L471 AbstractCegarLoop]: Abstraction has 4977 states and 7057 transitions. [2024-11-14 03:49:21,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-14 03:49:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 7057 transitions. [2024-11-14 03:49:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-14 03:49:21,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:21,399 INFO L215 NwaCegarLoop]: trace histogram [16, 10, 10, 10, 10, 10, 10, 9, 9, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:21,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:49:21,400 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:21,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:21,404 INFO L85 PathProgramCache]: Analyzing trace with hash 448022158, now seen corresponding path program 1 times [2024-11-14 03:49:21,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:49:21,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339585344] [2024-11-14 03:49:21,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:21,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:49:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked. [2024-11-14 03:49:25,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:49:25,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339585344] [2024-11-14 03:49:25,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339585344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:25,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:25,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:49:25,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400413755] [2024-11-14 03:49:25,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:25,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:49:25,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:49:25,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:49:25,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:49:25,753 INFO L87 Difference]: Start difference. First operand 4977 states and 7057 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-14 03:49:27,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:49:29,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:49:35,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:35,745 INFO L93 Difference]: Finished difference Result 9989 states and 14212 transitions. [2024-11-14 03:49:35,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:49:35,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 314 [2024-11-14 03:49:35,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:35,791 INFO L225 Difference]: With dead ends: 9989 [2024-11-14 03:49:35,791 INFO L226 Difference]: Without dead ends: 5033 [2024-11-14 03:49:35,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:49:35,825 INFO L432 NwaCegarLoop]: 1751 mSDtfsCounter, 10 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3495 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:49:35,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3495 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 591 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2024-11-14 03:49:35,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5033 states. [2024-11-14 03:49:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5033 to 4985. [2024-11-14 03:49:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4985 states, 2902 states have (on average 1.262577532736044) internal successors, (3664), 2986 states have internal predecessors, (3664), 1699 states have call successors, (1699), 383 states have call predecessors, (1699), 383 states have return successors, (1702), 1671 states have call predecessors, (1702), 1699 states have call successors, (1702) [2024-11-14 03:49:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4985 states to 4985 states and 7065 transitions. [2024-11-14 03:49:36,191 INFO L78 Accepts]: Start accepts. Automaton has 4985 states and 7065 transitions. Word has length 314 [2024-11-14 03:49:36,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:36,192 INFO L471 AbstractCegarLoop]: Abstraction has 4985 states and 7065 transitions. [2024-11-14 03:49:36,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-14 03:49:36,193 INFO L276 IsEmpty]: Start isEmpty. Operand 4985 states and 7065 transitions. [2024-11-14 03:49:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-14 03:49:36,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:36,211 INFO L215 NwaCegarLoop]: trace histogram [16, 10, 10, 10, 10, 10, 10, 9, 9, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:36,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:49:36,212 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:36,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:36,212 INFO L85 PathProgramCache]: Analyzing trace with hash 759485567, now seen corresponding path program 1 times [2024-11-14 03:49:36,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:49:36,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625135789] [2024-11-14 03:49:36,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:36,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:49:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2024-11-14 03:49:40,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:49:40,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625135789] [2024-11-14 03:49:40,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625135789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:49:40,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507192712] [2024-11-14 03:49:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:40,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:49:40,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:49:40,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:49:40,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecc1cf-756c-4e1b-bf8d-e5da74a79922/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:49:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:46,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 3319 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:49:46,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2024-11-14 03:49:46,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:49:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2024-11-14 03:49:48,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507192712] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:49:48,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1457874659] [2024-11-14 03:49:48,925 INFO L159 IcfgInterpreter]: Started Sifa with 163 locations of interest [2024-11-14 03:49:48,925 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:49:48,932 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:49:48,937 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:49:48,938 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs