./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.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_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c26285c798d9eae93470e6619d316c691c81cc1a0579ebf111c5d2cbbd8c7126 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:59:55,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:59:55,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 12:59:55,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:59:55,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:59:55,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:59:55,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:59:55,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:59:55,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:59:55,256 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:59:55,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:59:55,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:59:55,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:59:55,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:59:55,257 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:59:55,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:59:55,258 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:59:55,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:59:55,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:59:55,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:59:55,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:59:55,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:59:55,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:59:55,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:59:55,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:59:55,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:59:55,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:59:55,259 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c26285c798d9eae93470e6619d316c691c81cc1a0579ebf111c5d2cbbd8c7126 [2024-12-02 12:59:55,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:59:55,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:59:55,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:59:55,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:59:55,514 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:59:55,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i [2024-12-02 12:59:58,101 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/data/c2850997a/37a0109551d248b49f8444af0297daf5/FLAG9387f1e57 [2024-12-02 12:59:58,580 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:59:58,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i [2024-12-02 12:59:58,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/data/c2850997a/37a0109551d248b49f8444af0297daf5/FLAG9387f1e57 [2024-12-02 12:59:58,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/data/c2850997a/37a0109551d248b49f8444af0297daf5 [2024-12-02 12:59:58,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:59:58,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:59:58,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:59:58,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:59:58,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:59:58,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:59:58" (1/1) ... [2024-12-02 12:59:58,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413c6d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:58, skipping insertion in model container [2024-12-02 12:59:58,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:59:58" (1/1) ... [2024-12-02 12:59:58,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:00:01,040 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_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373388,373401] [2024-12-02 13:00:01,043 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_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373533,373546] [2024-12-02 13:00:01,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:00:01,096 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:00:01,196 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] [2024-12-02 13:00:01,197 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] [2024-12-02 13:00:01,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6186] [2024-12-02 13:00:01,200 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] [2024-12-02 13:00:01,200 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] [2024-12-02 13:00:01,201 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] [2024-12-02 13:00:01,201 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] [2024-12-02 13:00:01,202 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] [2024-12-02 13:00:01,202 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] [2024-12-02 13:00:01,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6360] [2024-12-02 13:00:01,203 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] [2024-12-02 13:00:01,203 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] [2024-12-02 13:00:01,204 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] [2024-12-02 13:00:01,204 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] [2024-12-02 13:00:01,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6428] [2024-12-02 13:00:01,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6435] [2024-12-02 13:00:01,211 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] [2024-12-02 13:00:01,212 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] [2024-12-02 13:00:01,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7173] [2024-12-02 13:00:01,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7183] [2024-12-02 13:00:01,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7357] [2024-12-02 13:00:01,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8104] [2024-12-02 13:00:01,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8361] [2024-12-02 13:00:01,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8674] [2024-12-02 13:00:01,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8744] [2024-12-02 13:00:01,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8814] [2024-12-02 13:00:01,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8875] [2024-12-02 13:00:01,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8981] [2024-12-02 13:00:01,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9034] [2024-12-02 13:00:01,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9177] [2024-12-02 13:00:01,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9664] [2024-12-02 13:00:01,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9685] [2024-12-02 13:00:01,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9906] [2024-12-02 13:00:01,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10256] [2024-12-02 13:00:01,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10261] [2024-12-02 13:00:01,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10266] [2024-12-02 13:00:01,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10271] [2024-12-02 13:00:01,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10288] [2024-12-02 13:00:01,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10304] [2024-12-02 13:00:01,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10309] [2024-12-02 13:00:01,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10314] [2024-12-02 13:00:01,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10338] [2024-12-02 13:00:01,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10343] [2024-12-02 13:00:01,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10348] [2024-12-02 13:00:01,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10352] [2024-12-02 13:00:01,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10367] [2024-12-02 13:00:01,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10372] [2024-12-02 13:00:01,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10377] [2024-12-02 13:00:01,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10382] [2024-12-02 13:00:01,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10386] [2024-12-02 13:00:01,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10534] [2024-12-02 13:00:01,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10538] [2024-12-02 13:00:01,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10543] [2024-12-02 13:00:01,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10549] [2024-12-02 13:00:01,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10556] [2024-12-02 13:00:01,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10571] [2024-12-02 13:00:01,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10580] [2024-12-02 13:00:01,398 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_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373388,373401] [2024-12-02 13:00:01,398 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_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373533,373546] [2024-12-02 13:00:01,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:00:01,531 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:00:01,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01 WrapperNode [2024-12-02 13:00:01,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:00:01,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:00:01,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:00:01,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:00:01,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:01,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:01,770 INFO L138 Inliner]: procedures = 423, calls = 2499, calls flagged for inlining = 186, calls inlined = 170, statements flattened = 6501 [2024-12-02 13:00:01,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:00:01,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:00:01,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:00:01,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:00:01,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:01,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:01,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:02,704 INFO L175 MemorySlicer]: Split 1217 memory accesses to 30 slices as follows [2, 10, 10, 12, 3, 12, 12, 5, 12, 12, 9, 5, 5, 4, 54, 1, 3, 3, 146, 1, 2, 46, 812, 6, 7, 1, 6, 7, 2, 7]. 67 percent of accesses are in the largest equivalence class. The 130 initializations are split as follows [2, 8, 8, 8, 0, 8, 8, 0, 8, 8, 8, 5, 5, 4, 0, 1, 3, 1, 8, 1, 0, 0, 14, 0, 7, 1, 0, 7, 0, 7]. The 582 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 42, 0, 0, 0, 138, 0, 1, 45, 355, 0, 0, 0, 0, 0, 1, 0]. [2024-12-02 13:00:02,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:02,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:02,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:02,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:02,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:02,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:02,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:02,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:00:02,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:00:02,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:00:02,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:00:02,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (1/1) ... [2024-12-02 13:00:02,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:00:02,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:00:02,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:00:02,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:00:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-12-02 13:00:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-12-02 13:00:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 13:00:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 13:00:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2024-12-02 13:00:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2024-12-02 13:00:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 13:00:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 13:00:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 13:00:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 13:00:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-12-02 13:00:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-12-02 13:00:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2024-12-02 13:00:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2024-12-02 13:00:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 13:00:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 13:00:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_start [2024-12-02 13:00:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_start [2024-12-02 13:00:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 13:00:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 13:00:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 13:00:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 13:00:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_jumbo_rx_ring [2024-12-02 13:00:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_jumbo_rx_ring [2024-12-02 13:00:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_std_rx_ring [2024-12-02 13:00:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_std_rx_ring [2024-12-02 13:00:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2024-12-02 13:00:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2024-12-02 13:00:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 13:00:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 13:00:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 13:00:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 13:00:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 13:00:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 13:00:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 13:00:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 13:00:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 13:00:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 13:00:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-12-02 13:00:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-12-02 13:00:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_multicast_list [2024-12-02 13:00:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_multicast_list [2024-12-02 13:00:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_txprd [2024-12-02 13:00:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_txprd [2024-12-02 13:00:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_check_ack [2024-12-02 13:00:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_check_ack [2024-12-02 13:00:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:00:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2024-12-02 13:00:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-12-02 13:00:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_rxtx_parms [2024-12-02 13:00:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_rxtx_parms [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 13:00:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom_byte [2024-12-02 13:00:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom_byte [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 13:00:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-12-02 13:00:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 13:00:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 13:00:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-02 13:00:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 13:00:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure tx_space [2024-12-02 13:00:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_space [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 13:00:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 13:00:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-12-02 13:00:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure set_aceaddr [2024-12-02 13:00:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure set_aceaddr [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 13:00:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 13:00:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 13:00:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 13:00:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-12-02 13:00:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 13:00:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 13:00:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2024-12-02 13:00:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 13:00:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 13:00:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 13:00:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:00:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 13:00:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 13:00:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:00:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_prep [2024-12-02 13:00:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_prep [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-12-02 13:00:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-02 13:00:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ace_issue_cmd [2024-12-02 13:00:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_issue_cmd [2024-12-02 13:00:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 13:00:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 13:00:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-12-02 13:00:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 13:00:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-12-02 13:00:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:00:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 13:00:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_mini_rx_ring [2024-12-02 13:00:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_mini_rx_ring [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 13:00:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:00:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 13:00:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 13:00:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-12-02 13:00:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-12-02 13:00:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-12-02 13:00:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2024-12-02 13:00:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 13:00:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 13:00:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-12-02 13:00:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-12-02 13:00:02,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-12-02 13:00:02,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 13:00:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-12-02 13:00:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 13:00:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 13:00:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2024-12-02 13:00:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 13:00:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure acenic_remove_one [2024-12-02 13:00:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure acenic_remove_one [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 13:00:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure ace_init_cleanup [2024-12-02 13:00:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_init_cleanup [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-12-02 13:00:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 13:00:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:00:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 13:00:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 13:00:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 13:00:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-12-02 13:00:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 13:00:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 13:00:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 13:00:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 13:00:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 13:00:02,975 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-12-02 13:00:02,975 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 13:00:02,975 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 13:00:02,975 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:00:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-02 13:00:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 13:00:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 13:00:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure ace_open [2024-12-02 13:00:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_open [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure ace_close [2024-12-02 13:00:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_close [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 13:00:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2024-12-02 13:00:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure ace_map_tx_skb [2024-12-02 13:00:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_map_tx_skb [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_tx_bd [2024-12-02 13:00:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_tx_bd [2024-12-02 13:00:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-12-02 13:00:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure ace_watchdog [2024-12-02 13:00:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_watchdog [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 13:00:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 13:00:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 13:00:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 13:00:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2024-12-02 13:00:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2024-12-02 13:00:03,914 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:00:03,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:00:19,545 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 13:00:19,732 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 13:00:23,442 INFO L? ?]: Removed 2664 outVars from TransFormulas that were not future-live. [2024-12-02 13:00:23,442 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:00:23,490 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:00:23,490 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:00:23,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:00:23 BoogieIcfgContainer [2024-12-02 13:00:23,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:00:23,493 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:00:23,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:00:23,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:00:23,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:59:58" (1/3) ... [2024-12-02 13:00:23,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fd9046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:00:23, skipping insertion in model container [2024-12-02 13:00:23,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:01" (2/3) ... [2024-12-02 13:00:23,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fd9046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:00:23, skipping insertion in model container [2024-12-02 13:00:23,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:00:23" (3/3) ... [2024-12-02 13:00:23,500 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i [2024-12-02 13:00:23,521 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:00:23,528 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i that has 125 procedures, 2682 locations, 1 initial locations, 33 loop locations, and 1 error locations. [2024-12-02 13:00:23,642 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:00:23,653 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3edda410, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:00:23,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:00:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 2564 states, 1805 states have (on average 1.3390581717451524) internal successors, (2417), 1865 states have internal predecessors, (2417), 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) [2024-12-02 13:00:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 13:00:23,688 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:00:23,689 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 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] [2024-12-02 13:00:23,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:00:23,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:00:23,694 INFO L85 PathProgramCache]: Analyzing trace with hash -910513071, now seen corresponding path program 1 times [2024-12-02 13:00:23,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:00:23,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678832663] [2024-12-02 13:00:23,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:00:23,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:00:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:00:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-12-02 13:00:41,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:00:41,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678832663] [2024-12-02 13:00:41,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678832663] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:00:41,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:00:41,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:00:41,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112671525] [2024-12-02 13:00:41,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:00:41,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:00:41,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:00:41,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:00:41,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:00:41,141 INFO L87 Difference]: Start difference. First operand has 2564 states, 1805 states have (on average 1.3390581717451524) internal successors, (2417), 1865 states have internal predecessors, (2417), 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 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-12-02 13:00:45,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:46,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:00:46,416 INFO L93 Difference]: Finished difference Result 7147 states and 10572 transitions. [2024-12-02 13:00:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:00:46,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 132 [2024-12-02 13:00:46,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:00:46,454 INFO L225 Difference]: With dead ends: 7147 [2024-12-02 13:00:46,454 INFO L226 Difference]: Without dead ends: 4523 [2024-12-02 13:00:46,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:00:46,471 INFO L435 NwaCegarLoop]: 3714 mSDtfsCounter, 3030 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3030 SdHoareTripleChecker+Valid, 7219 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:00:46,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3030 Valid, 7219 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 13:00:46,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4523 states. [2024-12-02 13:00:46,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4523 to 4519. [2024-12-02 13:00:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4519 states, 3169 states have (on average 1.2985168822972546) internal successors, (4115), 3273 states have internal predecessors, (4115), 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) [2024-12-02 13:00:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 6464 transitions. [2024-12-02 13:00:46,764 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 6464 transitions. Word has length 132 [2024-12-02 13:00:46,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:00:46,765 INFO L471 AbstractCegarLoop]: Abstraction has 4519 states and 6464 transitions. [2024-12-02 13:00:46,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-12-02 13:00:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 6464 transitions. [2024-12-02 13:00:46,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 13:00:46,773 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:00:46,773 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2024-12-02 13:00:46,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:00:46,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:00:46,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:00:46,774 INFO L85 PathProgramCache]: Analyzing trace with hash 885323521, now seen corresponding path program 1 times [2024-12-02 13:00:46,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:00:46,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633666303] [2024-12-02 13:00:46,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:00:46,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:01:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:01:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-12-02 13:01:04,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:01:04,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633666303] [2024-12-02 13:01:04,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633666303] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:01:04,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:01:04,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:01:04,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324847380] [2024-12-02 13:01:04,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:01:04,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:01:04,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:01:04,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:01:04,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:01:04,411 INFO L87 Difference]: Start difference. First operand 4519 states and 6464 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-12-02 13:01:08,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:10,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:10,342 INFO L93 Difference]: Finished difference Result 10614 states and 15109 transitions. [2024-12-02 13:01:10,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:01:10,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 170 [2024-12-02 13:01:10,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:10,383 INFO L225 Difference]: With dead ends: 10614 [2024-12-02 13:01:10,383 INFO L226 Difference]: Without dead ends: 6112 [2024-12-02 13:01:10,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:01:10,404 INFO L435 NwaCegarLoop]: 4155 mSDtfsCounter, 1454 mSDsluCounter, 3514 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 7669 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:10,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 7669 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 13:01:10,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6112 states. [2024-12-02 13:01:10,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6112 to 6108. [2024-12-02 13:01:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6108 states, 4345 states have (on average 1.2985040276179516) internal successors, (5642), 4498 states have internal predecessors, (5642), 1495 states have call successors, (1495), 268 states have call predecessors, (1495), 267 states have return successors, (1496), 1458 states have call predecessors, (1496), 1495 states have call successors, (1496) [2024-12-02 13:01:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6108 states to 6108 states and 8633 transitions. [2024-12-02 13:01:10,741 INFO L78 Accepts]: Start accepts. Automaton has 6108 states and 8633 transitions. Word has length 170 [2024-12-02 13:01:10,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:01:10,742 INFO L471 AbstractCegarLoop]: Abstraction has 6108 states and 8633 transitions. [2024-12-02 13:01:10,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-12-02 13:01:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 6108 states and 8633 transitions. [2024-12-02 13:01:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 13:01:10,746 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:01:10,746 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 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] [2024-12-02 13:01:10,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:01:10,746 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:01:10,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:01:10,747 INFO L85 PathProgramCache]: Analyzing trace with hash 979948942, now seen corresponding path program 1 times [2024-12-02 13:01:10,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:01:10,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852996026] [2024-12-02 13:01:10,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:01:10,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:01:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:01:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-12-02 13:01:27,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:01:27,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852996026] [2024-12-02 13:01:27,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852996026] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:01:27,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:01:27,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:01:27,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254458420] [2024-12-02 13:01:27,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:01:27,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:01:27,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:01:27,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:01:27,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:01:27,818 INFO L87 Difference]: Start difference. First operand 6108 states and 8633 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-12-02 13:01:31,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:33,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:33,062 INFO L93 Difference]: Finished difference Result 17062 states and 24131 transitions. [2024-12-02 13:01:33,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:01:33,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 164 [2024-12-02 13:01:33,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:33,131 INFO L225 Difference]: With dead ends: 17062 [2024-12-02 13:01:33,131 INFO L226 Difference]: Without dead ends: 10971 [2024-12-02 13:01:33,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:01:33,160 INFO L435 NwaCegarLoop]: 4136 mSDtfsCounter, 3211 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3211 SdHoareTripleChecker+Valid, 7682 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:33,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3211 Valid, 7682 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 13:01:33,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10971 states. [2024-12-02 13:01:33,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10971 to 10965. [2024-12-02 13:01:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10965 states, 7770 states have (on average 1.295881595881596) internal successors, (10069), 8041 states have internal predecessors, (10069), 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) [2024-12-02 13:01:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10965 states to 10965 states and 15500 transitions. [2024-12-02 13:01:33,716 INFO L78 Accepts]: Start accepts. Automaton has 10965 states and 15500 transitions. Word has length 164 [2024-12-02 13:01:33,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:01:33,717 INFO L471 AbstractCegarLoop]: Abstraction has 10965 states and 15500 transitions. [2024-12-02 13:01:33,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-12-02 13:01:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 10965 states and 15500 transitions. [2024-12-02 13:01:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-12-02 13:01:33,721 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:01:33,722 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 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] [2024-12-02 13:01:33,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:01:33,722 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:01:33,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:01:33,722 INFO L85 PathProgramCache]: Analyzing trace with hash -2050650556, now seen corresponding path program 1 times [2024-12-02 13:01:33,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:01:33,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829373] [2024-12-02 13:01:33,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:01:33,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:01:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:01:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-12-02 13:01:53,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:01:53,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829373] [2024-12-02 13:01:53,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829373] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:01:53,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:01:53,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:01:53,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711586193] [2024-12-02 13:01:53,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:01:53,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:01:53,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:01:53,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:01:53,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:01:53,105 INFO L87 Difference]: Start difference. First operand 10965 states and 15500 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2024-12-02 13:01:57,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:58,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:58,664 INFO L93 Difference]: Finished difference Result 24377 states and 34369 transitions. [2024-12-02 13:01:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:01:58,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 230 [2024-12-02 13:01:58,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:58,736 INFO L225 Difference]: With dead ends: 24377 [2024-12-02 13:01:58,736 INFO L226 Difference]: Without dead ends: 13429 [2024-12-02 13:01:58,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:01:58,761 INFO L435 NwaCegarLoop]: 5012 mSDtfsCounter, 1460 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1460 SdHoareTripleChecker+Valid, 8515 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:58,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1460 Valid, 8515 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 13:01:58,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13429 states. [2024-12-02 13:01:59,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13429 to 13423. [2024-12-02 13:01:59,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13423 states, 9597 states have (on average 1.2954048140043763) internal successors, (12432), 9944 states have internal predecessors, (12432), 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) [2024-12-02 13:01:59,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13423 states to 13423 states and 18827 transitions. [2024-12-02 13:01:59,332 INFO L78 Accepts]: Start accepts. Automaton has 13423 states and 18827 transitions. Word has length 230 [2024-12-02 13:01:59,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:01:59,333 INFO L471 AbstractCegarLoop]: Abstraction has 13423 states and 18827 transitions. [2024-12-02 13:01:59,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2024-12-02 13:01:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 13423 states and 18827 transitions. [2024-12-02 13:01:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-12-02 13:01:59,339 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:01:59,340 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:01:59,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:01:59,340 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:01:59,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:01:59,341 INFO L85 PathProgramCache]: Analyzing trace with hash 323741486, now seen corresponding path program 1 times [2024-12-02 13:01:59,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:01:59,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452135535] [2024-12-02 13:01:59,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:01:59,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:02:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:02:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2024-12-02 13:02:16,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:02:16,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452135535] [2024-12-02 13:02:16,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452135535] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:02:16,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:02:16,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:02:16,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74995633] [2024-12-02 13:02:16,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:02:16,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:02:16,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:02:16,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:02:16,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:02:16,024 INFO L87 Difference]: Start difference. First operand 13423 states and 18827 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2024-12-02 13:02:20,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:02:21,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:02:21,651 INFO L93 Difference]: Finished difference Result 29258 states and 40961 transitions. [2024-12-02 13:02:21,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:02:21,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 304 [2024-12-02 13:02:21,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:02:21,710 INFO L225 Difference]: With dead ends: 29258 [2024-12-02 13:02:21,711 INFO L226 Difference]: Without dead ends: 15852 [2024-12-02 13:02:21,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:02:21,745 INFO L435 NwaCegarLoop]: 5017 mSDtfsCounter, 1454 mSDsluCounter, 3510 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 8527 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:02:21,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 8527 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 13:02:21,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15852 states. [2024-12-02 13:02:22,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15852 to 15846. [2024-12-02 13:02:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15846 states, 11402 states have (on average 1.2956498859849148) internal successors, (14773), 11825 states have internal predecessors, (14773), 3660 states have call successors, (3660), 785 states have call predecessors, (3660), 783 states have return successors, (3675), 3550 states have call predecessors, (3675), 3660 states have call successors, (3675) [2024-12-02 13:02:22,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15846 states to 15846 states and 22108 transitions. [2024-12-02 13:02:22,191 INFO L78 Accepts]: Start accepts. Automaton has 15846 states and 22108 transitions. Word has length 304 [2024-12-02 13:02:22,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:02:22,192 INFO L471 AbstractCegarLoop]: Abstraction has 15846 states and 22108 transitions. [2024-12-02 13:02:22,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2024-12-02 13:02:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 15846 states and 22108 transitions. [2024-12-02 13:02:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-12-02 13:02:22,196 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:02:22,197 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:02:22,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:02:22,197 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:02:22,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:02:22,197 INFO L85 PathProgramCache]: Analyzing trace with hash -983400912, now seen corresponding path program 1 times [2024-12-02 13:02:22,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:02:22,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198039603] [2024-12-02 13:02:22,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:22,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:02:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:02:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2024-12-02 13:02:39,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:02:39,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198039603] [2024-12-02 13:02:39,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198039603] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:02:39,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:02:39,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:02:39,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978568820] [2024-12-02 13:02:39,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:02:39,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:02:39,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:02:39,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:02:39,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:02:39,048 INFO L87 Difference]: Start difference. First operand 15846 states and 22108 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2024-12-02 13:02:43,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:02:44,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:02:44,526 INFO L93 Difference]: Finished difference Result 34689 states and 48255 transitions. [2024-12-02 13:02:44,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:02:44,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 304 [2024-12-02 13:02:44,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:02:44,601 INFO L225 Difference]: With dead ends: 34689 [2024-12-02 13:02:44,602 INFO L226 Difference]: Without dead ends: 18860 [2024-12-02 13:02:44,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:02:44,638 INFO L435 NwaCegarLoop]: 5082 mSDtfsCounter, 3185 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3185 SdHoareTripleChecker+Valid, 7056 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:02:44,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3185 Valid, 7056 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 13:02:44,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18860 states. [2024-12-02 13:02:45,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18860 to 18854. [2024-12-02 13:02:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18854 states, 13606 states have (on average 1.292811994708217) internal successors, (17590), 14113 states have internal predecessors, (17590), 4252 states have call successors, (4252), 997 states have call predecessors, (4252), 995 states have return successors, (4267), 4125 states have call predecessors, (4267), 4252 states have call successors, (4267) [2024-12-02 13:02:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18854 states to 18854 states and 26109 transitions. [2024-12-02 13:02:45,109 INFO L78 Accepts]: Start accepts. Automaton has 18854 states and 26109 transitions. Word has length 304 [2024-12-02 13:02:45,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:02:45,109 INFO L471 AbstractCegarLoop]: Abstraction has 18854 states and 26109 transitions. [2024-12-02 13:02:45,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2024-12-02 13:02:45,109 INFO L276 IsEmpty]: Start isEmpty. Operand 18854 states and 26109 transitions. [2024-12-02 13:02:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-12-02 13:02:45,116 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:02:45,116 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:02:45,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:02:45,116 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:02:45,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:02:45,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1469377553, now seen corresponding path program 1 times [2024-12-02 13:02:45,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:02:45,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143974553] [2024-12-02 13:02:45,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:45,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2024-12-02 13:03:02,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:03:02,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143974553] [2024-12-02 13:03:02,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143974553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:02,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:03:02,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:03:02,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451380952] [2024-12-02 13:03:02,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:02,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:03:02,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:03:02,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:03:02,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:03:02,380 INFO L87 Difference]: Start difference. First operand 18854 states and 26109 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 13:03:06,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:03:07,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:07,836 INFO L93 Difference]: Finished difference Result 40112 states and 55525 transitions. [2024-12-02 13:03:07,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:03:07,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 377 [2024-12-02 13:03:07,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:07,928 INFO L225 Difference]: With dead ends: 40112 [2024-12-02 13:03:07,928 INFO L226 Difference]: Without dead ends: 21275 [2024-12-02 13:03:07,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:03:07,979 INFO L435 NwaCegarLoop]: 4245 mSDtfsCounter, 1454 mSDsluCounter, 3509 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 7754 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:03:07,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 7754 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 13:03:07,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21275 states. [2024-12-02 13:03:08,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21275 to 21269. [2024-12-02 13:03:08,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21269 states, 15407 states have (on average 1.2933731420782761) internal successors, (19927), 15990 states have internal predecessors, (19927), 4722 states have call successors, (4722), 1141 states have call predecessors, (4722), 1139 states have return successors, (4737), 4579 states have call predecessors, (4737), 4722 states have call successors, (4737) [2024-12-02 13:03:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21269 states to 21269 states and 29386 transitions. [2024-12-02 13:03:08,740 INFO L78 Accepts]: Start accepts. Automaton has 21269 states and 29386 transitions. Word has length 377 [2024-12-02 13:03:08,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:08,741 INFO L471 AbstractCegarLoop]: Abstraction has 21269 states and 29386 transitions. [2024-12-02 13:03:08,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 13:03:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 21269 states and 29386 transitions. [2024-12-02 13:03:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-12-02 13:03:08,752 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:08,752 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:03:08,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:03:08,752 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:08,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:08,753 INFO L85 PathProgramCache]: Analyzing trace with hash 162235155, now seen corresponding path program 1 times [2024-12-02 13:03:08,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:08,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497099873] [2024-12-02 13:03:08,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:08,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2024-12-02 13:03:25,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:03:25,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497099873] [2024-12-02 13:03:25,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497099873] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:25,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:03:25,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:03:25,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147381408] [2024-12-02 13:03:25,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:25,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:03:25,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:03:25,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:03:25,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:03:25,382 INFO L87 Difference]: Start difference. First operand 21269 states and 29386 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 13:03:29,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:03:31,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:31,026 INFO L93 Difference]: Finished difference Result 44990 states and 62139 transitions. [2024-12-02 13:03:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:03:31,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 377 [2024-12-02 13:03:31,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:31,112 INFO L225 Difference]: With dead ends: 44990 [2024-12-02 13:03:31,113 INFO L226 Difference]: Without dead ends: 23738 [2024-12-02 13:03:31,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:03:31,159 INFO L435 NwaCegarLoop]: 5017 mSDtfsCounter, 1467 mSDsluCounter, 3510 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 8527 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:03:31,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 8527 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 13:03:31,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23738 states. [2024-12-02 13:03:31,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23738 to 23732. [2024-12-02 13:03:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23732 states, 17248 states have (on average 1.2935992578849722) internal successors, (22312), 17907 states have internal predecessors, (22312), 5196 states have call successors, (5196), 1289 states have call predecessors, (5196), 1287 states have return successors, (5211), 5037 states have call predecessors, (5211), 5196 states have call successors, (5211) [2024-12-02 13:03:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23732 states to 23732 states and 32719 transitions. [2024-12-02 13:03:31,698 INFO L78 Accepts]: Start accepts. Automaton has 23732 states and 32719 transitions. Word has length 377 [2024-12-02 13:03:31,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:31,699 INFO L471 AbstractCegarLoop]: Abstraction has 23732 states and 32719 transitions. [2024-12-02 13:03:31,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 13:03:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 23732 states and 32719 transitions. [2024-12-02 13:03:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-12-02 13:03:31,703 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:31,703 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:03:31,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:03:31,703 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:31,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:31,704 INFO L85 PathProgramCache]: Analyzing trace with hash 353454332, now seen corresponding path program 1 times [2024-12-02 13:03:31,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:31,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130694250] [2024-12-02 13:03:31,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:31,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-12-02 13:03:48,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:03:48,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130694250] [2024-12-02 13:03:48,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130694250] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:48,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:03:48,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:03:48,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377769176] [2024-12-02 13:03:48,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:48,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:03:48,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:03:48,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:03:48,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:03:48,963 INFO L87 Difference]: Start difference. First operand 23732 states and 32719 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:03:53,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:03:55,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:55,156 INFO L93 Difference]: Finished difference Result 50685 states and 69778 transitions. [2024-12-02 13:03:55,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:03:55,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 418 [2024-12-02 13:03:55,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:55,262 INFO L225 Difference]: With dead ends: 50685 [2024-12-02 13:03:55,263 INFO L226 Difference]: Without dead ends: 26970 [2024-12-02 13:03:55,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:03:55,324 INFO L435 NwaCegarLoop]: 5185 mSDtfsCounter, 1787 mSDsluCounter, 13855 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1787 SdHoareTripleChecker+Valid, 19040 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:03:55,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1787 Valid, 19040 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 13:03:55,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26970 states. [2024-12-02 13:03:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26970 to 26956. [2024-12-02 13:03:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26956 states, 19581 states have (on average 1.2912006536949083) internal successors, (25283), 20335 states have internal predecessors, (25283), 5875 states have call successors, (5875), 1499 states have call predecessors, (5875), 1499 states have return successors, (5895), 5697 states have call predecessors, (5895), 5875 states have call successors, (5895) [2024-12-02 13:03:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26956 states to 26956 states and 37053 transitions. [2024-12-02 13:03:56,256 INFO L78 Accepts]: Start accepts. Automaton has 26956 states and 37053 transitions. Word has length 418 [2024-12-02 13:03:56,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:56,256 INFO L471 AbstractCegarLoop]: Abstraction has 26956 states and 37053 transitions. [2024-12-02 13:03:56,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:03:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 26956 states and 37053 transitions. [2024-12-02 13:03:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2024-12-02 13:03:56,264 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:56,264 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:03:56,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:03:56,265 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:56,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:56,266 INFO L85 PathProgramCache]: Analyzing trace with hash -878836934, now seen corresponding path program 1 times [2024-12-02 13:03:56,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:56,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706386482] [2024-12-02 13:03:56,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:56,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:04:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-12-02 13:04:14,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:04:14,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706386482] [2024-12-02 13:04:14,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706386482] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:14,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:14,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:04:14,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111220737] [2024-12-02 13:04:14,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:14,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:04:14,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:04:14,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:04:14,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:04:14,849 INFO L87 Difference]: Start difference. First operand 26956 states and 37053 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:04:18,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:04:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:21,321 INFO L93 Difference]: Finished difference Result 56352 states and 77433 transitions. [2024-12-02 13:04:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:04:21,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 419 [2024-12-02 13:04:21,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:21,439 INFO L225 Difference]: With dead ends: 56352 [2024-12-02 13:04:21,439 INFO L226 Difference]: Without dead ends: 29413 [2024-12-02 13:04:21,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:04:21,506 INFO L435 NwaCegarLoop]: 5028 mSDtfsCounter, 1461 mSDsluCounter, 13551 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 18579 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:04:21,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 18579 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-12-02 13:04:21,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29413 states. [2024-12-02 13:04:22,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29413 to 29399. [2024-12-02 13:04:22,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29399 states, 21394 states have (on average 1.2915770776853324) internal successors, (27632), 22224 states have internal predecessors, (27632), 6349 states have call successors, (6349), 1651 states have call predecessors, (6349), 1655 states have return successors, (6373), 6159 states have call predecessors, (6373), 6349 states have call successors, (6373) [2024-12-02 13:04:22,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29399 states to 29399 states and 40354 transitions. [2024-12-02 13:04:22,518 INFO L78 Accepts]: Start accepts. Automaton has 29399 states and 40354 transitions. Word has length 419 [2024-12-02 13:04:22,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:22,519 INFO L471 AbstractCegarLoop]: Abstraction has 29399 states and 40354 transitions. [2024-12-02 13:04:22,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:04:22,519 INFO L276 IsEmpty]: Start isEmpty. Operand 29399 states and 40354 transitions. [2024-12-02 13:04:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2024-12-02 13:04:22,524 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:22,524 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:04:22,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:04:22,525 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:22,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:22,525 INFO L85 PathProgramCache]: Analyzing trace with hash 506369439, now seen corresponding path program 1 times [2024-12-02 13:04:22,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:04:22,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562063240] [2024-12-02 13:04:22,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:22,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:04:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-12-02 13:04:41,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:04:41,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562063240] [2024-12-02 13:04:41,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562063240] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:41,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:41,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:04:41,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318245779] [2024-12-02 13:04:41,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:41,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:04:41,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:04:41,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:04:41,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:04:41,127 INFO L87 Difference]: Start difference. First operand 29399 states and 40354 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:04:45,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:04:47,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:47,346 INFO L93 Difference]: Finished difference Result 61202 states and 84011 transitions. [2024-12-02 13:04:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:04:47,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 420 [2024-12-02 13:04:47,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:47,468 INFO L225 Difference]: With dead ends: 61202 [2024-12-02 13:04:47,468 INFO L226 Difference]: Without dead ends: 31820 [2024-12-02 13:04:47,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:04:47,539 INFO L435 NwaCegarLoop]: 5021 mSDtfsCounter, 1447 mSDsluCounter, 13546 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 18567 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:04:47,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 18567 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 13:04:47,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31820 states. [2024-12-02 13:04:48,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31820 to 31806. [2024-12-02 13:04:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31806 states, 23187 states have (on average 1.292146461379221) internal successors, (29961), 24093 states have internal predecessors, (29961), 6819 states have call successors, (6819), 1795 states have call predecessors, (6819), 1799 states have return successors, (6843), 6613 states have call predecessors, (6843), 6819 states have call successors, (6843) [2024-12-02 13:04:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31806 states to 31806 states and 43623 transitions. [2024-12-02 13:04:48,420 INFO L78 Accepts]: Start accepts. Automaton has 31806 states and 43623 transitions. Word has length 420 [2024-12-02 13:04:48,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:48,421 INFO L471 AbstractCegarLoop]: Abstraction has 31806 states and 43623 transitions. [2024-12-02 13:04:48,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:04:48,421 INFO L276 IsEmpty]: Start isEmpty. Operand 31806 states and 43623 transitions. [2024-12-02 13:04:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2024-12-02 13:04:48,426 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:48,427 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:04:48,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:04:48,427 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:48,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:48,427 INFO L85 PathProgramCache]: Analyzing trace with hash -182485911, now seen corresponding path program 1 times [2024-12-02 13:04:48,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:04:48,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509012480] [2024-12-02 13:04:48,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:48,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:05:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:05:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked. [2024-12-02 13:05:05,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:05:05,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509012480] [2024-12-02 13:05:05,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509012480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:05:05,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:05:05,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:05:05,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630012492] [2024-12-02 13:05:05,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:05:05,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:05:05,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:05:05,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:05:05,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:05:05,476 INFO L87 Difference]: Start difference. First operand 31806 states and 43623 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:05:09,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:05:11,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:05:11,122 INFO L93 Difference]: Finished difference Result 66490 states and 91118 transitions. [2024-12-02 13:05:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:05:11,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 435 [2024-12-02 13:05:11,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:05:11,247 INFO L225 Difference]: With dead ends: 66490 [2024-12-02 13:05:11,247 INFO L226 Difference]: Without dead ends: 34701 [2024-12-02 13:05:11,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:05:11,321 INFO L435 NwaCegarLoop]: 5240 mSDtfsCounter, 1774 mSDsluCounter, 3509 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 8749 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:05:11,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 8749 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 13:05:11,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34701 states. [2024-12-02 13:05:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34701 to 34695. [2024-12-02 13:05:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34695 states, 25285 states have (on average 1.2912398655329247) internal successors, (32649), 26277 states have internal predecessors, (32649), 7416 states have call successors, (7416), 1989 states have call predecessors, (7416), 1993 states have return successors, (7440), 7190 states have call predecessors, (7440), 7416 states have call successors, (7440) [2024-12-02 13:05:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34695 states to 34695 states and 47505 transitions. [2024-12-02 13:05:12,142 INFO L78 Accepts]: Start accepts. Automaton has 34695 states and 47505 transitions. Word has length 435 [2024-12-02 13:05:12,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:05:12,142 INFO L471 AbstractCegarLoop]: Abstraction has 34695 states and 47505 transitions. [2024-12-02 13:05:12,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:05:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 34695 states and 47505 transitions. [2024-12-02 13:05:12,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2024-12-02 13:05:12,147 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:05:12,147 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:05:12,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:05:12,147 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:05:12,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:05:12,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1059520848, now seen corresponding path program 1 times [2024-12-02 13:05:12,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:05:12,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548227638] [2024-12-02 13:05:12,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:05:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:05:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:05:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2024-12-02 13:05:29,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:05:29,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548227638] [2024-12-02 13:05:29,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548227638] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:05:29,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:05:29,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:05:29,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696111] [2024-12-02 13:05:29,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:05:29,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:05:29,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:05:29,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:05:29,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:05:29,737 INFO L87 Difference]: Start difference. First operand 34695 states and 47505 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:05:33,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:05:35,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:05:35,428 INFO L93 Difference]: Finished difference Result 71826 states and 98345 transitions. [2024-12-02 13:05:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:05:35,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 442 [2024-12-02 13:05:35,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:05:35,555 INFO L225 Difference]: With dead ends: 71826 [2024-12-02 13:05:35,555 INFO L226 Difference]: Without dead ends: 37148 [2024-12-02 13:05:35,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:05:35,632 INFO L435 NwaCegarLoop]: 5030 mSDtfsCounter, 1461 mSDsluCounter, 3512 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 8542 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:05:35,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 8542 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 13:05:35,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37148 states. [2024-12-02 13:05:36,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37148 to 37142. [2024-12-02 13:05:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37142 states, 27110 states have (on average 1.2917004795278495) internal successors, (35018), 28178 states have internal predecessors, (35018), 7890 states have call successors, (7890), 2137 states have call predecessors, (7890), 2141 states have return successors, (7914), 7648 states have call predecessors, (7914), 7890 states have call successors, (7914) [2024-12-02 13:05:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37142 states to 37142 states and 50822 transitions. [2024-12-02 13:05:36,663 INFO L78 Accepts]: Start accepts. Automaton has 37142 states and 50822 transitions. Word has length 442 [2024-12-02 13:05:36,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:05:36,664 INFO L471 AbstractCegarLoop]: Abstraction has 37142 states and 50822 transitions. [2024-12-02 13:05:36,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:05:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 37142 states and 50822 transitions. [2024-12-02 13:05:36,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2024-12-02 13:05:36,670 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:05:36,670 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:05:36,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:05:36,670 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:05:36,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:05:36,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1548936047, now seen corresponding path program 1 times [2024-12-02 13:05:36,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:05:36,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617198994] [2024-12-02 13:05:36,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:05:36,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:05:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:05:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2024-12-02 13:05:53,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:05:53,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617198994] [2024-12-02 13:05:53,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617198994] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:05:53,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:05:53,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:05:53,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507305256] [2024-12-02 13:05:53,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:05:53,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:05:53,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:05:53,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:05:53,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:05:53,107 INFO L87 Difference]: Start difference. First operand 37142 states and 50822 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 13:05:57,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:05:59,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:05:59,002 INFO L93 Difference]: Finished difference Result 76668 states and 104911 transitions. [2024-12-02 13:05:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:05:59,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 456 [2024-12-02 13:05:59,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:05:59,132 INFO L225 Difference]: With dead ends: 76668 [2024-12-02 13:05:59,132 INFO L226 Difference]: Without dead ends: 39543 [2024-12-02 13:05:59,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:05:59,205 INFO L435 NwaCegarLoop]: 5022 mSDtfsCounter, 1459 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 8527 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:05:59,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 8527 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 13:05:59,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39543 states. [2024-12-02 13:05:59,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39543 to 39537. [2024-12-02 13:05:59,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39537 states, 28891 states have (on average 1.2922709494306186) internal successors, (37335), 30035 states have internal predecessors, (37335), 8360 states have call successors, (8360), 2281 states have call predecessors, (8360), 2285 states have return successors, (8384), 8102 states have call predecessors, (8384), 8360 states have call successors, (8384) [2024-12-02 13:05:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39537 states to 39537 states and 54079 transitions. [2024-12-02 13:06:00,052 INFO L78 Accepts]: Start accepts. Automaton has 39537 states and 54079 transitions. Word has length 456 [2024-12-02 13:06:00,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:06:00,053 INFO L471 AbstractCegarLoop]: Abstraction has 39537 states and 54079 transitions. [2024-12-02 13:06:00,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 13:06:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 39537 states and 54079 transitions. [2024-12-02 13:06:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2024-12-02 13:06:00,058 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:06:00,058 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:06:00,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:06:00,058 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:06:00,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:06:00,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1203783405, now seen corresponding path program 1 times [2024-12-02 13:06:00,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:06:00,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563096579] [2024-12-02 13:06:00,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:06:00,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:06:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:06:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2024-12-02 13:06:17,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:06:17,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563096579] [2024-12-02 13:06:17,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563096579] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:06:17,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:06:17,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:06:17,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39442535] [2024-12-02 13:06:17,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:06:17,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:06:17,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:06:17,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:06:17,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:06:17,340 INFO L87 Difference]: Start difference. First operand 39537 states and 54079 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 13:06:21,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:06:23,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:06:23,772 INFO L93 Difference]: Finished difference Result 81772 states and 111772 transitions. [2024-12-02 13:06:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:06:23,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 474 [2024-12-02 13:06:23,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:06:23,930 INFO L225 Difference]: With dead ends: 81772 [2024-12-02 13:06:23,930 INFO L226 Difference]: Without dead ends: 42252 [2024-12-02 13:06:24,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:06:24,014 INFO L435 NwaCegarLoop]: 5156 mSDtfsCounter, 1786 mSDsluCounter, 13797 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 18953 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:06:24,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 18953 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 13:06:24,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42252 states. [2024-12-02 13:06:24,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42252 to 39859. [2024-12-02 13:06:24,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39859 states, 29116 states have (on average 1.291660942437148) internal successors, (37608), 30266 states have internal predecessors, (37608), 8407 states have call successors, (8407), 2327 states have call predecessors, (8407), 2335 states have return successors, (8435), 8151 states have call predecessors, (8435), 8407 states have call successors, (8435) [2024-12-02 13:06:24,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39859 states to 39859 states and 54450 transitions. [2024-12-02 13:06:24,935 INFO L78 Accepts]: Start accepts. Automaton has 39859 states and 54450 transitions. Word has length 474 [2024-12-02 13:06:24,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:06:24,935 INFO L471 AbstractCegarLoop]: Abstraction has 39859 states and 54450 transitions. [2024-12-02 13:06:24,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 13:06:24,936 INFO L276 IsEmpty]: Start isEmpty. Operand 39859 states and 54450 transitions. [2024-12-02 13:06:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-12-02 13:06:24,941 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:06:24,941 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:06:24,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:06:24,941 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:06:24,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:06:24,941 INFO L85 PathProgramCache]: Analyzing trace with hash 85593075, now seen corresponding path program 1 times [2024-12-02 13:06:24,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:06:24,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496852738] [2024-12-02 13:06:24,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:06:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:06:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:06:42,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1238 trivial. 0 not checked. [2024-12-02 13:06:42,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:06:42,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496852738] [2024-12-02 13:06:42,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496852738] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:06:42,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:06:42,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:06:42,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918294678] [2024-12-02 13:06:42,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:06:42,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:06:42,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:06:42,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:06:42,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:06:42,452 INFO L87 Difference]: Start difference. First operand 39859 states and 54450 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 13:06:46,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:06:48,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:06:48,607 INFO L93 Difference]: Finished difference Result 82162 states and 112227 transitions. [2024-12-02 13:06:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:06:48,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 475 [2024-12-02 13:06:48,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:06:48,752 INFO L225 Difference]: With dead ends: 82162 [2024-12-02 13:06:48,753 INFO L226 Difference]: Without dead ends: 42320 [2024-12-02 13:06:48,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:06:48,835 INFO L435 NwaCegarLoop]: 5022 mSDtfsCounter, 1460 mSDsluCounter, 13539 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1460 SdHoareTripleChecker+Valid, 18561 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:06:48,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1460 Valid, 18561 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 13:06:48,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42320 states. [2024-12-02 13:06:49,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42320 to 39907. [2024-12-02 13:06:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39907 states, 29148 states have (on average 1.2913407437903115) internal successors, (37640), 30298 states have internal predecessors, (37640), 8411 states have call successors, (8411), 2335 states have call predecessors, (8411), 2347 states have return successors, (8443), 8159 states have call predecessors, (8443), 8411 states have call successors, (8443) [2024-12-02 13:06:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39907 states to 39907 states and 54494 transitions. [2024-12-02 13:06:50,022 INFO L78 Accepts]: Start accepts. Automaton has 39907 states and 54494 transitions. Word has length 475 [2024-12-02 13:06:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:06:50,022 INFO L471 AbstractCegarLoop]: Abstraction has 39907 states and 54494 transitions. [2024-12-02 13:06:50,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 13:06:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 39907 states and 54494 transitions. [2024-12-02 13:06:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-12-02 13:06:50,028 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:06:50,028 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:06:50,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 13:06:50,028 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:06:50,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:06:50,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1961879050, now seen corresponding path program 1 times [2024-12-02 13:06:50,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:06:50,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846610590] [2024-12-02 13:06:50,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:06:50,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:07:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:07:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-12-02 13:07:07,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:07:07,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846610590] [2024-12-02 13:07:07,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846610590] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:07:07,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400367570] [2024-12-02 13:07:07,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:07:07,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:07:07,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:07:07,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:07:07,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:07:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:07:26,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 6027 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:07:26,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:07:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-12-02 13:07:37,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:07:37,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400367570] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:07:37,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:07:37,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 13:07:37,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491019445] [2024-12-02 13:07:37,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:07:37,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:07:37,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:07:37,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:07:37,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:07:37,290 INFO L87 Difference]: Start difference. First operand 39907 states and 54494 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:07:37,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:07:37,862 INFO L93 Difference]: Finished difference Result 79797 states and 109284 transitions. [2024-12-02 13:07:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:07:37,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 476 [2024-12-02 13:07:37,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:07:38,021 INFO L225 Difference]: With dead ends: 79797 [2024-12-02 13:07:38,021 INFO L226 Difference]: Without dead ends: 39907 [2024-12-02 13:07:38,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:07:38,125 INFO L435 NwaCegarLoop]: 3568 mSDtfsCounter, 3346 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 3568 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:07:38,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 3568 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:07:38,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39907 states. [2024-12-02 13:07:39,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39907 to 39907. [2024-12-02 13:07:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39907 states, 29148 states have (on average 1.2899341292713051) internal successors, (37599), 30298 states have internal predecessors, (37599), 8411 states have call successors, (8411), 2335 states have call predecessors, (8411), 2347 states have return successors, (8443), 8159 states have call predecessors, (8443), 8411 states have call successors, (8443) [2024-12-02 13:07:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39907 states to 39907 states and 54453 transitions. [2024-12-02 13:07:39,158 INFO L78 Accepts]: Start accepts. Automaton has 39907 states and 54453 transitions. Word has length 476 [2024-12-02 13:07:39,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:07:39,159 INFO L471 AbstractCegarLoop]: Abstraction has 39907 states and 54453 transitions. [2024-12-02 13:07:39,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:07:39,159 INFO L276 IsEmpty]: Start isEmpty. Operand 39907 states and 54453 transitions. [2024-12-02 13:07:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2024-12-02 13:07:39,164 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:07:39,164 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:07:39,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:07:39,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 13:07:39,364 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:07:39,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:07:39,365 INFO L85 PathProgramCache]: Analyzing trace with hash -994724551, now seen corresponding path program 1 times [2024-12-02 13:07:39,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:07:39,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983595045] [2024-12-02 13:07:39,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:07:39,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:07:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:07:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-12-02 13:07:57,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:07:57,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983595045] [2024-12-02 13:07:57,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983595045] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:07:57,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969688521] [2024-12-02 13:07:57,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:07:57,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:07:57,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:07:57,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:07:57,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:08:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:08:15,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 6028 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:08:15,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:08:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-12-02 13:08:26,647 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:08:26,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969688521] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:08:26,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:08:26,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 13:08:26,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348993942] [2024-12-02 13:08:26,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:08:26,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:08:26,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:08:26,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:08:26,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:08:26,649 INFO L87 Difference]: Start difference. First operand 39907 states and 54453 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:08:27,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:08:27,369 INFO L93 Difference]: Finished difference Result 79797 states and 109202 transitions. [2024-12-02 13:08:27,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:08:27,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 477 [2024-12-02 13:08:27,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:08:27,536 INFO L225 Difference]: With dead ends: 79797 [2024-12-02 13:08:27,536 INFO L226 Difference]: Without dead ends: 39907 [2024-12-02 13:08:27,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:08:27,629 INFO L435 NwaCegarLoop]: 3567 mSDtfsCounter, 3344 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 3567 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:08:27,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3344 Valid, 3567 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:08:27,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39907 states. [2024-12-02 13:08:28,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39907 to 39907. [2024-12-02 13:08:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39907 states, 29148 states have (on average 1.2885275147522985) internal successors, (37558), 30298 states have internal predecessors, (37558), 8411 states have call successors, (8411), 2335 states have call predecessors, (8411), 2347 states have return successors, (8443), 8159 states have call predecessors, (8443), 8411 states have call successors, (8443) [2024-12-02 13:08:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39907 states to 39907 states and 54412 transitions. [2024-12-02 13:08:28,696 INFO L78 Accepts]: Start accepts. Automaton has 39907 states and 54412 transitions. Word has length 477 [2024-12-02 13:08:28,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:08:28,697 INFO L471 AbstractCegarLoop]: Abstraction has 39907 states and 54412 transitions. [2024-12-02 13:08:28,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:08:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 39907 states and 54412 transitions. [2024-12-02 13:08:28,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2024-12-02 13:08:28,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:08:28,702 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:08:28,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:08:28,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 13:08:28,902 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:08:28,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:08:28,903 INFO L85 PathProgramCache]: Analyzing trace with hash -963189550, now seen corresponding path program 1 times [2024-12-02 13:08:28,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:08:28,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097456729] [2024-12-02 13:08:28,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:08:28,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:08:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:08:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-12-02 13:08:45,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:08:45,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097456729] [2024-12-02 13:08:45,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097456729] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:08:45,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779781420] [2024-12-02 13:08:45,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:08:45,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:08:45,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:08:45,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:08:45,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:09:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:09:05,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 6029 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:09:05,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:09:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-12-02 13:09:15,890 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:09:15,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779781420] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:09:15,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:09:15,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 13:09:15,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098450284] [2024-12-02 13:09:15,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:09:15,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:09:15,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:09:15,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:09:15,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:09:15,892 INFO L87 Difference]: Start difference. First operand 39907 states and 54412 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:09:16,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:09:16,746 INFO L93 Difference]: Finished difference Result 79797 states and 109120 transitions. [2024-12-02 13:09:16,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:09:16,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 478 [2024-12-02 13:09:16,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:09:16,905 INFO L225 Difference]: With dead ends: 79797 [2024-12-02 13:09:16,905 INFO L226 Difference]: Without dead ends: 39907 [2024-12-02 13:09:16,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:09:16,995 INFO L435 NwaCegarLoop]: 3566 mSDtfsCounter, 3342 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3342 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:09:16,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3342 Valid, 3566 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:09:17,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39907 states. [2024-12-02 13:09:17,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39907 to 39907. [2024-12-02 13:09:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39907 states, 29148 states have (on average 1.2871209002332922) internal successors, (37517), 30298 states have internal predecessors, (37517), 8411 states have call successors, (8411), 2335 states have call predecessors, (8411), 2347 states have return successors, (8443), 8159 states have call predecessors, (8443), 8411 states have call successors, (8443) [2024-12-02 13:09:18,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39907 states to 39907 states and 54371 transitions. [2024-12-02 13:09:18,113 INFO L78 Accepts]: Start accepts. Automaton has 39907 states and 54371 transitions. Word has length 478 [2024-12-02 13:09:18,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:09:18,114 INFO L471 AbstractCegarLoop]: Abstraction has 39907 states and 54371 transitions. [2024-12-02 13:09:18,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:09:18,114 INFO L276 IsEmpty]: Start isEmpty. Operand 39907 states and 54371 transitions. [2024-12-02 13:09:18,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-12-02 13:09:18,119 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:09:18,119 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:09:18,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:09:18,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:09:18,320 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:09:18,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:09:18,320 INFO L85 PathProgramCache]: Analyzing trace with hash 128912085, now seen corresponding path program 1 times [2024-12-02 13:09:18,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:09:18,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250100833] [2024-12-02 13:09:18,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:09:18,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:09:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:09:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-12-02 13:09:35,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:09:35,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250100833] [2024-12-02 13:09:35,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250100833] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:09:35,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374781152] [2024-12-02 13:09:35,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:09:35,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:09:35,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:09:35,762 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:09:35,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:09:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:09:55,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 6030 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:09:55,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:10:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-12-02 13:10:05,967 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:10:05,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374781152] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:10:05,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:10:05,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 13:10:05,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701481386] [2024-12-02 13:10:05,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:10:05,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:10:05,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:10:05,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:10:05,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:10:05,969 INFO L87 Difference]: Start difference. First operand 39907 states and 54371 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:10:06,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:10:06,950 INFO L93 Difference]: Finished difference Result 79797 states and 109038 transitions. [2024-12-02 13:10:06,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:10:06,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 479 [2024-12-02 13:10:06,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:10:07,094 INFO L225 Difference]: With dead ends: 79797 [2024-12-02 13:10:07,094 INFO L226 Difference]: Without dead ends: 39907 [2024-12-02 13:10:07,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:10:07,160 INFO L435 NwaCegarLoop]: 3565 mSDtfsCounter, 3340 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3340 SdHoareTripleChecker+Valid, 3565 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:10:07,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3340 Valid, 3565 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:10:07,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39907 states. [2024-12-02 13:10:08,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39907 to 39907. [2024-12-02 13:10:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39907 states, 29148 states have (on average 1.2857142857142858) internal successors, (37476), 30298 states have internal predecessors, (37476), 8411 states have call successors, (8411), 2335 states have call predecessors, (8411), 2347 states have return successors, (8443), 8159 states have call predecessors, (8443), 8411 states have call successors, (8443) [2024-12-02 13:10:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39907 states to 39907 states and 54330 transitions. [2024-12-02 13:10:08,306 INFO L78 Accepts]: Start accepts. Automaton has 39907 states and 54330 transitions. Word has length 479 [2024-12-02 13:10:08,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:10:08,307 INFO L471 AbstractCegarLoop]: Abstraction has 39907 states and 54330 transitions. [2024-12-02 13:10:08,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:10:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 39907 states and 54330 transitions. [2024-12-02 13:10:08,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2024-12-02 13:10:08,312 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:10:08,312 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:10:08,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 13:10:08,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:10:08,513 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:10:08,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:10:08,513 INFO L85 PathProgramCache]: Analyzing trace with hash -261158994, now seen corresponding path program 1 times [2024-12-02 13:10:08,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:10:08,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716373509] [2024-12-02 13:10:08,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:10:08,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:10:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:10:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-12-02 13:10:25,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:10:25,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716373509] [2024-12-02 13:10:25,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716373509] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:10:25,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234966703] [2024-12-02 13:10:25,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:10:25,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:10:25,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:10:25,834 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:10:25,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 13:10:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:10:45,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 6031 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:10:45,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:10:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-12-02 13:10:56,604 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:10:56,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234966703] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:10:56,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:10:56,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 13:10:56,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779429597] [2024-12-02 13:10:56,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:10:56,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:10:56,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:10:56,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:10:56,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:10:56,606 INFO L87 Difference]: Start difference. First operand 39907 states and 54330 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:10:57,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:10:57,528 INFO L93 Difference]: Finished difference Result 79797 states and 108956 transitions. [2024-12-02 13:10:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:10:57,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 480 [2024-12-02 13:10:57,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:10:57,709 INFO L225 Difference]: With dead ends: 79797 [2024-12-02 13:10:57,710 INFO L226 Difference]: Without dead ends: 39907 [2024-12-02 13:10:57,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:10:57,797 INFO L435 NwaCegarLoop]: 3564 mSDtfsCounter, 3338 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 3564 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:10:57,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 3564 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:10:57,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39907 states. [2024-12-02 13:10:58,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39907 to 39907. [2024-12-02 13:10:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39907 states, 29148 states have (on average 1.2843076711952792) internal successors, (37435), 30298 states have internal predecessors, (37435), 8411 states have call successors, (8411), 2335 states have call predecessors, (8411), 2347 states have return successors, (8443), 8159 states have call predecessors, (8443), 8411 states have call successors, (8443) [2024-12-02 13:10:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39907 states to 39907 states and 54289 transitions. [2024-12-02 13:10:59,155 INFO L78 Accepts]: Start accepts. Automaton has 39907 states and 54289 transitions. Word has length 480 [2024-12-02 13:10:59,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:10:59,155 INFO L471 AbstractCegarLoop]: Abstraction has 39907 states and 54289 transitions. [2024-12-02 13:10:59,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:10:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 39907 states and 54289 transitions. [2024-12-02 13:10:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2024-12-02 13:10:59,161 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:10:59,161 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:10:59,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 13:10:59,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-02 13:10:59,361 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:10:59,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:10:59,362 INFO L85 PathProgramCache]: Analyzing trace with hash 646056049, now seen corresponding path program 1 times [2024-12-02 13:10:59,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:10:59,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378728010] [2024-12-02 13:10:59,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:10:59,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-12-02 13:11:16,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:11:16,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378728010] [2024-12-02 13:11:16,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378728010] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:11:16,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658659965] [2024-12-02 13:11:16,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:16,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:11:16,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:11:16,634 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:11:16,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 13:11:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:36,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 6032 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:11:36,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-12-02 13:11:46,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:46,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658659965] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:46,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:11:46,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 13:11:46,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720661531] [2024-12-02 13:11:46,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:46,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:11:46,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:11:46,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:11:46,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:11:46,971 INFO L87 Difference]: Start difference. First operand 39907 states and 54289 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:11:47,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:47,961 INFO L93 Difference]: Finished difference Result 79797 states and 108874 transitions. [2024-12-02 13:11:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:11:47,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 481 [2024-12-02 13:11:47,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:48,146 INFO L225 Difference]: With dead ends: 79797 [2024-12-02 13:11:48,146 INFO L226 Difference]: Without dead ends: 39907 [2024-12-02 13:11:48,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:11:48,237 INFO L435 NwaCegarLoop]: 3563 mSDtfsCounter, 3336 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3336 SdHoareTripleChecker+Valid, 3563 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:48,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3336 Valid, 3563 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:11:48,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39907 states. [2024-12-02 13:11:49,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39907 to 39907. [2024-12-02 13:11:49,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39907 states, 29148 states have (on average 1.2829010566762729) internal successors, (37394), 30298 states have internal predecessors, (37394), 8411 states have call successors, (8411), 2335 states have call predecessors, (8411), 2347 states have return successors, (8443), 8159 states have call predecessors, (8443), 8411 states have call successors, (8443) [2024-12-02 13:11:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39907 states to 39907 states and 54248 transitions. [2024-12-02 13:11:49,700 INFO L78 Accepts]: Start accepts. Automaton has 39907 states and 54248 transitions. Word has length 481 [2024-12-02 13:11:49,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:49,701 INFO L471 AbstractCegarLoop]: Abstraction has 39907 states and 54248 transitions. [2024-12-02 13:11:49,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:11:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 39907 states and 54248 transitions. [2024-12-02 13:11:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-12-02 13:11:49,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:49,707 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:11:49,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 13:11:49,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-02 13:11:49,907 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:49,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:49,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1180532086, now seen corresponding path program 1 times [2024-12-02 13:11:49,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:49,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491494674] [2024-12-02 13:11:49,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:49,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:12:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-12-02 13:12:07,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:12:07,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491494674] [2024-12-02 13:12:07,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491494674] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:12:07,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339750118] [2024-12-02 13:12:07,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:07,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:12:07,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:12:07,230 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:12:07,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 13:12:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:26,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 6033 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:12:26,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-12-02 13:12:38,017 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:12:38,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339750118] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:12:38,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:12:38,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 13:12:38,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619142328] [2024-12-02 13:12:38,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:38,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:12:38,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:12:38,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:12:38,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:12:38,019 INFO L87 Difference]: Start difference. First operand 39907 states and 54248 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:12:39,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:39,469 INFO L93 Difference]: Finished difference Result 79797 states and 108792 transitions. [2024-12-02 13:12:39,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:12:39,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 482 [2024-12-02 13:12:39,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:39,658 INFO L225 Difference]: With dead ends: 79797 [2024-12-02 13:12:39,658 INFO L226 Difference]: Without dead ends: 39907 [2024-12-02 13:12:39,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:12:39,751 INFO L435 NwaCegarLoop]: 3562 mSDtfsCounter, 3334 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3334 SdHoareTripleChecker+Valid, 3562 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:39,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3334 Valid, 3562 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:12:39,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39907 states. [2024-12-02 13:12:41,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39907 to 39907. [2024-12-02 13:12:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39907 states, 29148 states have (on average 1.2814944421572663) internal successors, (37353), 30298 states have internal predecessors, (37353), 8411 states have call successors, (8411), 2335 states have call predecessors, (8411), 2347 states have return successors, (8443), 8159 states have call predecessors, (8443), 8411 states have call successors, (8443) [2024-12-02 13:12:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39907 states to 39907 states and 54207 transitions. [2024-12-02 13:12:41,325 INFO L78 Accepts]: Start accepts. Automaton has 39907 states and 54207 transitions. Word has length 482 [2024-12-02 13:12:41,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:41,326 INFO L471 AbstractCegarLoop]: Abstraction has 39907 states and 54207 transitions. [2024-12-02 13:12:41,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:12:41,326 INFO L276 IsEmpty]: Start isEmpty. Operand 39907 states and 54207 transitions. [2024-12-02 13:12:41,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-12-02 13:12:41,331 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:41,332 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:12:41,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 13:12:41,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:12:41,532 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:41,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:41,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1855672819, now seen corresponding path program 1 times [2024-12-02 13:12:41,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:12:41,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57341483] [2024-12-02 13:12:41,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:41,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:12:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-12-02 13:13:00,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:13:00,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57341483] [2024-12-02 13:13:00,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57341483] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:13:00,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155248547] [2024-12-02 13:13:00,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:00,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:13:00,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:13:00,244 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:13:00,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 13:13:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:20,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 6034 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:13:20,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:13:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-12-02 13:13:31,977 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:13:31,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155248547] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:13:31,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:13:31,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-12-02 13:13:31,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204181950] [2024-12-02 13:13:31,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:13:31,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:13:31,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:13:31,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:13:31,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:13:31,978 INFO L87 Difference]: Start difference. First operand 39907 states and 54207 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:13:33,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:33,234 INFO L93 Difference]: Finished difference Result 79797 states and 108710 transitions. [2024-12-02 13:13:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:13:33,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 483 [2024-12-02 13:13:33,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:33,421 INFO L225 Difference]: With dead ends: 79797 [2024-12-02 13:13:33,421 INFO L226 Difference]: Without dead ends: 39907 [2024-12-02 13:13:33,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:13:33,492 INFO L435 NwaCegarLoop]: 3561 mSDtfsCounter, 3332 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 3561 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:33,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3332 Valid, 3561 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:13:33,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39907 states. [2024-12-02 13:13:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39907 to 39907. [2024-12-02 13:13:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39907 states, 29148 states have (on average 1.28008782763826) internal successors, (37312), 30298 states have internal predecessors, (37312), 8411 states have call successors, (8411), 2335 states have call predecessors, (8411), 2347 states have return successors, (8443), 8159 states have call predecessors, (8443), 8411 states have call successors, (8443) [2024-12-02 13:13:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39907 states to 39907 states and 54166 transitions. [2024-12-02 13:13:34,986 INFO L78 Accepts]: Start accepts. Automaton has 39907 states and 54166 transitions. Word has length 483 [2024-12-02 13:13:34,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:34,987 INFO L471 AbstractCegarLoop]: Abstraction has 39907 states and 54166 transitions. [2024-12-02 13:13:34,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-02 13:13:34,987 INFO L276 IsEmpty]: Start isEmpty. Operand 39907 states and 54166 transitions. [2024-12-02 13:13:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2024-12-02 13:13:34,992 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:34,992 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:13:35,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 13:13:35,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d65c02-b34a-4b7f-ac6e-48a1bdc806e3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-12-02 13:13:35,193 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:35,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:35,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1195682458, now seen corresponding path program 1 times [2024-12-02 13:13:35,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:13:35,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112571894] [2024-12-02 13:13:35,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:35,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms