./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-alteon-acenic.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_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/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_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/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-alteon-acenic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/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_63d2fba5-7594-4806-bf2a-4188750806fa/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 c26285c798d9eae93470e6619d316c691c81cc1a0579ebf111c5d2cbbd8c7126 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:44:48,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:44:48,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:44:48,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:44:48,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:44:48,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:44:48,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:44:48,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:44:48,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:44:48,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:44:48,567 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:44:48,567 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:44:48,567 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:44:48,567 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:44:48,567 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:44:48,568 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:44:48,568 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:44:48,571 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:44:48,571 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:44:48,572 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:44:48,572 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:44:48,572 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:44:48,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:44:48,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:44:48,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:44:48,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:44:48,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:44:48,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:44:48,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:44:48,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:44:48,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:44:48,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:44:48,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:44:48,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:44:48,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:44:48,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:44:48,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:44:48,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:44:48,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:44:48,577 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:44:48,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:44:48,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:44:48,578 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:44:48,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:44:48,578 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_63d2fba5-7594-4806-bf2a-4188750806fa/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 -> c26285c798d9eae93470e6619d316c691c81cc1a0579ebf111c5d2cbbd8c7126 [2024-11-14 02:44:49,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:44:49,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:44:49,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:44:49,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:44:49,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:44:49,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i Unable to find full path for "g++" [2024-11-14 02:44:51,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:44:52,685 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:44:52,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i [2024-11-14 02:44:52,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/data/7c0791202/4b5fe80772ef4cdba843ad5454b7d503/FLAGdb570b333 [2024-11-14 02:44:52,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/data/7c0791202/4b5fe80772ef4cdba843ad5454b7d503 [2024-11-14 02:44:52,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:44:52,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:44:52,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:52,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:44:52,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:44:52,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:52" (1/1) ... [2024-11-14 02:44:52,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463c3262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:52, skipping insertion in model container [2024-11-14 02:44:52,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:52" (1/1) ... [2024-11-14 02:44:53,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:44:57,090 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_63d2fba5-7594-4806-bf2a-4188750806fa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373388,373401] [2024-11-14 02:44:57,095 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_63d2fba5-7594-4806-bf2a-4188750806fa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373533,373546] [2024-11-14 02:44:57,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:57,197 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:44:57,437 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"); [6172] [2024-11-14 02:44:57,440 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)); [6179] [2024-11-14 02:44:57,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6186] [2024-11-14 02:44:57,447 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)); [6261-6262] [2024-11-14 02:44:57,449 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"); [6267-6269] [2024-11-14 02:44:57,451 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)); [6294-6295] [2024-11-14 02:44:57,452 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"); [6300-6302] [2024-11-14 02:44:57,453 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)); [6326-6327] [2024-11-14 02:44:57,455 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"); [6332-6334] [2024-11-14 02:44:57,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6360] [2024-11-14 02:44:57,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\tprefetcht0 (%1)\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word (1*32+31)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\tprefetchw (%1)\n6641:\n\t.popsection": : "i" (0), "r" (x)); [6376-6377] [2024-11-14 02:44:57,459 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [6397] [2024-11-14 02:44:57,459 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; subl %1,%0": "+m" (v->counter): "ir" (i)); [6404] [2024-11-14 02:44:57,460 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; decl %0": "+m" (v->counter)); [6411] [2024-11-14 02:44:57,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6428] [2024-11-14 02:44:57,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6435] [2024-11-14 02:44:57,475 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" (79), "i" (12UL)); [6538-6539] [2024-11-14 02:44:57,477 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" (91), "i" (12UL)); [6567-6568] [2024-11-14 02:44:57,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7173] [2024-11-14 02:44:57,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7183] [2024-11-14 02:44:57,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7357] [2024-11-14 02:44:57,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8104] [2024-11-14 02:44:57,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8361] [2024-11-14 02:44:57,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8674] [2024-11-14 02:44:57,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8744] [2024-11-14 02:44:57,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8814] [2024-11-14 02:44:57,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8875] [2024-11-14 02:44:57,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8981] [2024-11-14 02:44:57,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9034] [2024-11-14 02:44:57,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9177] [2024-11-14 02:44:57,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9664] [2024-11-14 02:44:57,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9685] [2024-11-14 02:44:57,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9906] [2024-11-14 02:44:57,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10256] [2024-11-14 02:44:57,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10261] [2024-11-14 02:44:57,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10266] [2024-11-14 02:44:57,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10271] [2024-11-14 02:44:57,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10288] [2024-11-14 02:44:57,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10304] [2024-11-14 02:44:57,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10309] [2024-11-14 02:44:57,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10314] [2024-11-14 02:44:57,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10338] [2024-11-14 02:44:57,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10343] [2024-11-14 02:44:57,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10348] [2024-11-14 02:44:57,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10352] [2024-11-14 02:44:57,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10367] [2024-11-14 02:44:57,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10372] [2024-11-14 02:44:57,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10377] [2024-11-14 02:44:57,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10382] [2024-11-14 02:44:57,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10386] [2024-11-14 02:44:57,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10534] [2024-11-14 02:44:57,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10538] [2024-11-14 02:44:57,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10543] [2024-11-14 02:44:57,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10549] [2024-11-14 02:44:57,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10556] [2024-11-14 02:44:57,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10571] [2024-11-14 02:44:57,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10580] [2024-11-14 02:44:57,944 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_63d2fba5-7594-4806-bf2a-4188750806fa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373388,373401] [2024-11-14 02:44:57,945 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_63d2fba5-7594-4806-bf2a-4188750806fa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373533,373546] [2024-11-14 02:44:57,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:58,262 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:44:58,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58 WrapperNode [2024-11-14 02:44:58,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:58,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:58,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:44:58,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:44:58,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:58,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:58,888 INFO L138 Inliner]: procedures = 423, calls = 2499, calls flagged for inlining = 186, calls inlined = 170, statements flattened = 6621 [2024-11-14 02:44:58,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:58,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:44:58,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:44:58,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:44:58,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:58,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:58,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:58,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:59,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:59,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:59,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:59,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:59,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:44:59,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:44:59,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:44:59,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:44:59,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (1/1) ... [2024-11-14 02:44:59,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:44:59,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:59,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:44:59,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:44:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-14 02:44:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-14 02:44:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 02:44:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 02:44:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2024-11-14 02:44:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2024-11-14 02:44:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-14 02:44:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-14 02:44:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 02:44:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 02:44:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-14 02:44:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-14 02:44:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2024-11-14 02:44:59,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2024-11-14 02:44:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-14 02:44:59,783 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-14 02:44:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_start [2024-11-14 02:44:59,783 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_start [2024-11-14 02:44:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-14 02:44:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-14 02:44:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-14 02:44:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-14 02:44:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_jumbo_rx_ring [2024-11-14 02:44:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_jumbo_rx_ring [2024-11-14 02:44:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_std_rx_ring [2024-11-14 02:44:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_std_rx_ring [2024-11-14 02:44:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2024-11-14 02:44:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2024-11-14 02:44:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 02:44:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 02:44:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-14 02:44:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-14 02:44:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-14 02:44:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-14 02:44:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-14 02:44:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-14 02:44:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 02:44:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 02:44:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-14 02:44:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-14 02:44:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_multicast_list [2024-11-14 02:44:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_multicast_list [2024-11-14 02:44:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_txprd [2024-11-14 02:44:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_txprd [2024-11-14 02:44:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_check_ack [2024-11-14 02:44:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_check_ack [2024-11-14 02:44:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:44:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2024-11-14 02:44:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2024-11-14 02:44:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-11-14 02:44:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_rxtx_parms [2024-11-14 02:44:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_rxtx_parms [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-14 02:44:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom_byte [2024-11-14 02:44:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom_byte [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-14 02:44:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 02:44:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure tx_space [2024-11-14 02:44:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_space [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:44:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-14 02:44:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-14 02:44:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-14 02:44:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-14 02:44:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure set_aceaddr [2024-11-14 02:44:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure set_aceaddr [2024-11-14 02:44:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-14 02:44:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-14 02:44:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-14 02:44:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-14 02:44:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-14 02:44:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-14 02:44:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-14 02:44:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-14 02:44:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-14 02:44:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-14 02:44:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 02:44:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-14 02:44:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-14 02:44:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2024-11-14 02:44:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2024-11-14 02:44:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-14 02:44:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-14 02:44:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:44:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 02:44:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 02:44:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 02:44:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 02:44:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 02:44:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 02:44:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 02:44:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 02:44:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 02:44:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_prep [2024-11-14 02:44:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_prep [2024-11-14 02:44:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-11-14 02:44:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-11-14 02:44:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-11-14 02:44:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-11-14 02:44:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure ace_issue_cmd [2024-11-14 02:44:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_issue_cmd [2024-11-14 02:44:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 02:44:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 02:44:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-14 02:44:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-14 02:44:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-14 02:44:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-14 02:44:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-14 02:44:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-14 02:44:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-11-14 02:44:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-11-14 02:44:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:44:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:44:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-14 02:44:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-14 02:44:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_mini_rx_ring [2024-11-14 02:44:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_mini_rx_ring [2024-11-14 02:44:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 02:44:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 02:44:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 02:44:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 02:44:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-11-14 02:44:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-11-14 02:44:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-11-14 02:44:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-11-14 02:44:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-14 02:44:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-14 02:44:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2024-11-14 02:44:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2024-11-14 02:44:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-14 02:44:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-14 02:44:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 02:44:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 02:44:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-14 02:44:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-14 02:44:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2024-11-14 02:44:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2024-11-14 02:44:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-14 02:44:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-14 02:44:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure acenic_remove_one [2024-11-14 02:44:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure acenic_remove_one [2024-11-14 02:44:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-14 02:44:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-14 02:44:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:44:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure ace_init_cleanup [2024-11-14 02:44:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_init_cleanup [2024-11-14 02:44:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-14 02:44:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-14 02:44:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-14 02:44:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-14 02:44:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:44:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 02:44:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 02:44:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-14 02:44:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-14 02:44:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-11-14 02:44:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-11-14 02:44:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-14 02:44:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-14 02:44:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 02:44:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 02:44:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-14 02:44:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-14 02:44:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-14 02:44:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-14 02:44:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-11-14 02:44:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-11-14 02:44:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-14 02:44:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-14 02:44:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 02:44:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 02:44:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:44:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 02:44:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 02:44:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-14 02:44:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-14 02:44:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ace_open [2024-11-14 02:44:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_open [2024-11-14 02:44:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ace_close [2024-11-14 02:44:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_close [2024-11-14 02:44:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 02:44:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 02:44:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2024-11-14 02:44:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2024-11-14 02:44:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure ace_map_tx_skb [2024-11-14 02:44:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_map_tx_skb [2024-11-14 02:44:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_tx_bd [2024-11-14 02:44:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_tx_bd [2024-11-14 02:44:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-11-14 02:44:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-11-14 02:44:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure ace_watchdog [2024-11-14 02:44:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_watchdog [2024-11-14 02:44:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-14 02:44:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-14 02:44:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:44:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-14 02:44:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-14 02:44:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2024-11-14 02:44:59,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2024-11-14 02:45:01,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:45:01,306 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:45:01,591 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 02:45:18,387 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-14 02:45:19,660 INFO L? ?]: Removed 2577 outVars from TransFormulas that were not future-live. [2024-11-14 02:45:19,661 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:45:23,436 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:45:23,436 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 02:45:23,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:23 BoogieIcfgContainer [2024-11-14 02:45:23,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:45:23,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:45:23,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:45:23,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:45:23,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:44:52" (1/3) ... [2024-11-14 02:45:23,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1b0e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:23, skipping insertion in model container [2024-11-14 02:45:23,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:58" (2/3) ... [2024-11-14 02:45:23,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1b0e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:23, skipping insertion in model container [2024-11-14 02:45:23,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:23" (3/3) ... [2024-11-14 02:45:23,459 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i [2024-11-14 02:45:23,482 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:45:23,486 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i that has 96 procedures, 1766 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 02:45:23,654 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:45:23,674 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;@52f8e7c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:45:23,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:45:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 1764 states, 1005 states have (on average 1.2855721393034827) internal successors, (1292), 1063 states have internal predecessors, (1292), 664 states have call successors, (664), 95 states have call predecessors, (664), 94 states have return successors, (659), 644 states have call predecessors, (659), 659 states have call successors, (659) [2024-11-14 02:45:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-14 02:45:23,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:23,746 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 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] [2024-11-14 02:45:23,747 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:45:23,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:23,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1382045918, now seen corresponding path program 1 times [2024-11-14 02:45:23,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:45:23,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877105652] [2024-11-14 02:45:23,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:23,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:45:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-14 02:45:50,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:45:50,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877105652] [2024-11-14 02:45:50,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877105652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:45:50,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:45:50,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:45:50,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405471943] [2024-11-14 02:45:50,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:45:50,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:45:50,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:45:50,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:45:50,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:45:50,255 INFO L87 Difference]: Start difference. First operand has 1764 states, 1005 states have (on average 1.2855721393034827) internal successors, (1292), 1063 states have internal predecessors, (1292), 664 states have call successors, (664), 95 states have call predecessors, (664), 94 states have return successors, (659), 644 states have call predecessors, (659), 659 states have call successors, (659) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-14 02:45:52,428 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 02:45:54,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:02,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:02,453 INFO L93 Difference]: Finished difference Result 4984 states and 7412 transitions. [2024-11-14 02:46:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:46:02,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2024-11-14 02:46:02,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:02,506 INFO L225 Difference]: With dead ends: 4984 [2024-11-14 02:46:02,507 INFO L226 Difference]: Without dead ends: 3144 [2024-11-14 02:46:02,524 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 02:46:02,527 INFO L432 NwaCegarLoop]: 2350 mSDtfsCounter, 2238 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2238 SdHoareTripleChecker+Valid, 4544 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:02,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2238 Valid, 4544 Invalid, 659 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 650 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2024-11-14 02:46:02,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3144 states. [2024-11-14 02:46:03,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3144 to 3140. [2024-11-14 02:46:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3140 states, 1790 states have (on average 1.2748603351955308) internal successors, (2282), 1890 states have internal predecessors, (2282), 1174 states have call successors, (1174), 176 states have call predecessors, (1174), 175 states have return successors, (1175), 1145 states have call predecessors, (1175), 1174 states have call successors, (1175) [2024-11-14 02:46:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4631 transitions. [2024-11-14 02:46:03,082 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4631 transitions. Word has length 113 [2024-11-14 02:46:03,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:03,083 INFO L471 AbstractCegarLoop]: Abstraction has 3140 states and 4631 transitions. [2024-11-14 02:46:03,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-14 02:46:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4631 transitions. [2024-11-14 02:46:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 02:46:03,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:03,101 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:03,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:46:03,102 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:03,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:03,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1321094297, now seen corresponding path program 1 times [2024-11-14 02:46:03,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:46:03,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652911601] [2024-11-14 02:46:03,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:03,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:46:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-14 02:46:26,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:46:26,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652911601] [2024-11-14 02:46:26,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652911601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:46:26,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:46:26,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:46:26,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573403080] [2024-11-14 02:46:26,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:46:26,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:46:26,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:46:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:46:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:46:26,699 INFO L87 Difference]: Start difference. First operand 3140 states and 4631 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-14 02:46:28,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:31,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:40,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:40,505 INFO L93 Difference]: Finished difference Result 9091 states and 13392 transitions. [2024-11-14 02:46:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:46:40,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 136 [2024-11-14 02:46:40,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:40,561 INFO L225 Difference]: With dead ends: 9091 [2024-11-14 02:46:40,562 INFO L226 Difference]: Without dead ends: 5964 [2024-11-14 02:46:40,583 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 02:46:40,587 INFO L432 NwaCegarLoop]: 2610 mSDtfsCounter, 2268 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2268 SdHoareTripleChecker+Valid, 4814 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:40,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2268 Valid, 4814 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 657 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2024-11-14 02:46:40,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5964 states. [2024-11-14 02:46:41,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5964 to 5958. [2024-11-14 02:46:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5958 states, 3377 states have (on average 1.2668048563814036) internal successors, (4278), 3564 states have internal predecessors, (4278), 2238 states have call successors, (2238), 344 states have call predecessors, (2238), 342 states have return successors, (2253), 2176 states have call predecessors, (2253), 2238 states have call successors, (2253) [2024-11-14 02:46:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 8769 transitions. [2024-11-14 02:46:41,162 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 8769 transitions. Word has length 136 [2024-11-14 02:46:41,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:41,162 INFO L471 AbstractCegarLoop]: Abstraction has 5958 states and 8769 transitions. [2024-11-14 02:46:41,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-14 02:46:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 8769 transitions. [2024-11-14 02:46:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-14 02:46:41,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:41,172 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 5, 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] [2024-11-14 02:46:41,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:46:41,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:41,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:41,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1518940395, now seen corresponding path program 1 times [2024-11-14 02:46:41,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:46:41,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268931452] [2024-11-14 02:46:41,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:41,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:47:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-14 02:47:06,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:47:06,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268931452] [2024-11-14 02:47:06,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268931452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:47:06,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:47:06,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:47:06,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372893276] [2024-11-14 02:47:06,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:47:06,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:47:06,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:47:06,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:47:06,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:47:06,355 INFO L87 Difference]: Start difference. First operand 5958 states and 8769 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-14 02:47:08,508 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 02:47:10,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:47:19,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:47:20,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:47:22,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:47:22,819 INFO L93 Difference]: Finished difference Result 13531 states and 19810 transitions. [2024-11-14 02:47:22,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:47:22,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 146 [2024-11-14 02:47:22,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:47:22,894 INFO L225 Difference]: With dead ends: 13531 [2024-11-14 02:47:22,895 INFO L226 Difference]: Without dead ends: 7586 [2024-11-14 02:47:22,933 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 02:47:22,934 INFO L432 NwaCegarLoop]: 2815 mSDtfsCounter, 973 mSDsluCounter, 2178 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 4993 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:47:22,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 4993 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 769 Invalid, 2 Unknown, 0 Unchecked, 16.1s Time] [2024-11-14 02:47:22,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7586 states. [2024-11-14 02:47:23,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7586 to 7580. [2024-11-14 02:47:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7580 states, 4385 states have (on average 1.2688711516533637) internal successors, (5564), 4646 states have internal predecessors, (5564), 2708 states have call successors, (2708), 488 states have call predecessors, (2708), 486 states have return successors, (2723), 2630 states have call predecessors, (2723), 2708 states have call successors, (2723) [2024-11-14 02:47:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7580 states to 7580 states and 10995 transitions. [2024-11-14 02:47:23,562 INFO L78 Accepts]: Start accepts. Automaton has 7580 states and 10995 transitions. Word has length 146 [2024-11-14 02:47:23,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:47:23,565 INFO L471 AbstractCegarLoop]: Abstraction has 7580 states and 10995 transitions. [2024-11-14 02:47:23,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-14 02:47:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 7580 states and 10995 transitions. [2024-11-14 02:47:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 02:47:23,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:23,575 INFO L215 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 5, 4, 4, 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] [2024-11-14 02:47:23,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 02:47:23,576 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:23,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:23,576 INFO L85 PathProgramCache]: Analyzing trace with hash -852956996, now seen corresponding path program 1 times [2024-11-14 02:47:23,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:47:23,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169069831] [2024-11-14 02:47:23,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:23,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:47:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-14 02:47:49,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:47:49,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169069831] [2024-11-14 02:47:49,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169069831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:47:49,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:47:49,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:47:49,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437879012] [2024-11-14 02:47:49,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:47:49,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:47:49,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:47:49,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:47:49,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:47:49,203 INFO L87 Difference]: Start difference. First operand 7580 states and 10995 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, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-14 02:47:51,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:47:53,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:48:01,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:48:02,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:48:02,429 INFO L93 Difference]: Finished difference Result 16801 states and 24295 transitions. [2024-11-14 02:48:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:48:02,430 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, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 189 [2024-11-14 02:48:02,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:48:02,513 INFO L225 Difference]: With dead ends: 16801 [2024-11-14 02:48:02,513 INFO L226 Difference]: Without dead ends: 9234 [2024-11-14 02:48:02,553 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 02:48:02,554 INFO L432 NwaCegarLoop]: 3027 mSDtfsCounter, 983 mSDsluCounter, 2170 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 5197 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-14 02:48:02,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [983 Valid, 5197 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 811 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2024-11-14 02:48:02,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2024-11-14 02:48:03,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 9228. [2024-11-14 02:48:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9228 states, 5402 states have (on average 1.269714920399852) internal successors, (6859), 5737 states have internal predecessors, (6859), 3190 states have call successors, (3190), 637 states have call predecessors, (3190), 635 states have return successors, (3205), 3096 states have call predecessors, (3205), 3190 states have call successors, (3205) [2024-11-14 02:48:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9228 states to 9228 states and 13254 transitions. [2024-11-14 02:48:03,339 INFO L78 Accepts]: Start accepts. Automaton has 9228 states and 13254 transitions. Word has length 189 [2024-11-14 02:48:03,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:48:03,340 INFO L471 AbstractCegarLoop]: Abstraction has 9228 states and 13254 transitions. [2024-11-14 02:48:03,340 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, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-14 02:48:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 9228 states and 13254 transitions. [2024-11-14 02:48:03,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-14 02:48:03,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:48:03,350 INFO L215 NwaCegarLoop]: trace histogram [12, 8, 8, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:48:03,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 02:48:03,351 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:48:03,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:48:03,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1570450598, now seen corresponding path program 1 times [2024-11-14 02:48:03,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:48:03,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732451665] [2024-11-14 02:48:03,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:48:03,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:48:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:48:30,015 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-14 02:48:30,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:48:30,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732451665] [2024-11-14 02:48:30,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732451665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:48:30,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:48:30,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:48:30,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949165691] [2024-11-14 02:48:30,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:48:30,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:48:30,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:48:30,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:48:30,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:48:30,020 INFO L87 Difference]: Start difference. First operand 9228 states and 13254 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-14 02:48:32,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:48:34,322 WARN L539 Checker$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 02:48:41,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:48:43,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:48:43,251 INFO L93 Difference]: Finished difference Result 20517 states and 29323 transitions. [2024-11-14 02:48:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:48:43,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 251 [2024-11-14 02:48:43,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:48:43,334 INFO L225 Difference]: With dead ends: 20517 [2024-11-14 02:48:43,334 INFO L226 Difference]: Without dead ends: 11302 [2024-11-14 02:48:43,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:48:43,376 INFO L432 NwaCegarLoop]: 3086 mSDtfsCounter, 2213 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 4285 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:48:43,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 4285 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 711 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2024-11-14 02:48:43,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11302 states. [2024-11-14 02:48:44,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11302 to 11296. [2024-11-14 02:48:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11296 states, 6666 states have (on average 1.2679267926792679) internal successors, (8452), 7081 states have internal predecessors, (8452), 3782 states have call successors, (3782), 849 states have call predecessors, (3782), 847 states have return successors, (3797), 3671 states have call predecessors, (3797), 3782 states have call successors, (3797) [2024-11-14 02:48:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11296 states to 11296 states and 16031 transitions. [2024-11-14 02:48:44,181 INFO L78 Accepts]: Start accepts. Automaton has 11296 states and 16031 transitions. Word has length 251 [2024-11-14 02:48:44,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:48:44,183 INFO L471 AbstractCegarLoop]: Abstraction has 11296 states and 16031 transitions. [2024-11-14 02:48:44,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-14 02:48:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 11296 states and 16031 transitions. [2024-11-14 02:48:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-14 02:48:44,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:48:44,194 INFO L215 NwaCegarLoop]: trace histogram [16, 10, 10, 7, 7, 7, 7, 7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-14 02:48:44,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 02:48:44,195 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:48:44,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:48:44,195 INFO L85 PathProgramCache]: Analyzing trace with hash 158370764, now seen corresponding path program 1 times [2024-11-14 02:48:44,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:48:44,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246102096] [2024-11-14 02:48:44,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:48:44,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:49:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:49:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-14 02:49:27,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:49:27,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246102096] [2024-11-14 02:49:27,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246102096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:49:27,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446585316] [2024-11-14 02:49:27,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:49:27,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:49:27,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:49:27,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:49:27,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d2fba5-7594-4806-bf2a-4188750806fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:49:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:49:53,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 5407 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-14 02:49:53,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:51:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-11-14 02:51:07,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:51:12,796 WARN L176 XnfTransformerHelper]: Simplifying conjunction of 8191 disjunctions. This might take some time... [2024-11-14 02:51:24,335 INFO L192 XnfTransformerHelper]: Simplified to conjunction of 8191 disjunctions. [2024-11-14 02:51:24,410 WARN L176 XnfTransformerHelper]: Simplifying conjunction of 16383 disjunctions. This might take some time... [2024-11-14 02:51:58,354 INFO L192 XnfTransformerHelper]: Simplified to conjunction of 16383 disjunctions. [2024-11-14 02:51:58,576 WARN L176 XnfTransformerHelper]: Simplifying conjunction of 32767 disjunctions. This might take some time... [2024-11-14 02:54:00,860 INFO L192 XnfTransformerHelper]: Simplified to conjunction of 32767 disjunctions.