./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme --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 983ce5e5a67d7f1a953a7dc1806bc74e6e7b7100ad78daf1e74f2f1bd8e39c48 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:07,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:07,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:41:07,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:07,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:07,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:07,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:07,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:07,735 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:07,737 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:07,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:41:07,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:41:07,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:07,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:07,742 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:07,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:07,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:41:07,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:41:07,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:07,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:41:07,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:41:07,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:41:07,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:07,751 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:07,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:07,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:07,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:41:07,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:41:07,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:07,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:07,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:41:07,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:41:07,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:41:07,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:41:07,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:41:07,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:41:07,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:41:07,773 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:41:07,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:41:07,773 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983ce5e5a67d7f1a953a7dc1806bc74e6e7b7100ad78daf1e74f2f1bd8e39c48 [2023-11-26 10:41:08,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:08,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:08,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:08,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:08,091 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:08,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2023-11-26 10:41:11,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:12,010 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:12,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2023-11-26 10:41:12,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/data/6d7e2fdbc/95ceeaa4b25e4f25a36c2dfc5bd2891d/FLAG0a7a8bbfa [2023-11-26 10:41:12,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/data/6d7e2fdbc/95ceeaa4b25e4f25a36c2dfc5bd2891d [2023-11-26 10:41:12,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:12,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:12,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:12,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:12,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:12,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:12" (1/1) ... [2023-11-26 10:41:12,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b140309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:12, skipping insertion in model container [2023-11-26 10:41:12,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:12" (1/1) ... [2023-11-26 10:41:12,278 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:14,213 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i[239406,239419] [2023-11-26 10:41:14,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:14,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:14,605 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"); [5698] [2023-11-26 10:41:14,608 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)); [5705] [2023-11-26 10:41:14,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [5838-5839] [2023-11-26 10:41:14,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5844-5846] [2023-11-26 10:41:14,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [5868-5869] [2023-11-26 10:41:14,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5874-5876] [2023-11-26 10:41:14,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [5897-5898] [2023-11-26 10:41:14,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5903-5905] [2023-11-26 10:41:14,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5969] [2023-11-26 10:41:14,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5977] [2023-11-26 10:41:14,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5984] [2023-11-26 10:41:14,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5992] [2023-11-26 10:41:14,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [6000] [2023-11-26 10:41:14,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [6007] [2023-11-26 10:41:14,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [6014] [2023-11-26 10:41:14,866 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i[239406,239419] [2023-11-26 10:41:14,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:15,114 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:15,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15 WrapperNode [2023-11-26 10:41:15,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:15,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:15,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:15,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:15,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,499 INFO L138 Inliner]: procedures = 176, calls = 1239, calls flagged for inlining = 86, calls inlined = 83, statements flattened = 3046 [2023-11-26 10:41:15,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:15,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:15,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:15,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:15,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,849 INFO L175 MemorySlicer]: Split 674 memory accesses to 20 slices as follows [70, 2, 4, 1, 25, 5, 406, 5, 16, 6, 35, 3, 8, 4, 3, 6, 21, 46, 4, 4]. 60 percent of accesses are in the largest equivalence class. The 376 initializations are split as follows [0, 2, 4, 0, 25, 0, 232, 5, 16, 6, 0, 3, 8, 0, 0, 4, 21, 46, 0, 4]. The 159 writes are split as follows [60, 0, 0, 0, 0, 4, 63, 0, 0, 0, 30, 0, 0, 0, 0, 0, 0, 0, 2, 0]. [2023-11-26 10:41:15,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:16,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:16,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:16,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:16,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:16,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:16,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:16,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879f5096-f105-4460-9f79-6d9ca8893a5c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure el3_config [2023-11-26 10:41:16,220 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_config [2023-11-26 10:41:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 10:41:16,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 10:41:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:41:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:41:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:41:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:41:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:41:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:41:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:41:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:41:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:41:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:41:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:41:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:41:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 10:41:16,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 10:41:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 10:41:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 10:41:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 10:41:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 10:41:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 10:41:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 10:41:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-26 10:41:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-26 10:41:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-26 10:41:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-26 10:41:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-26 10:41:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-26 10:41:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-26 10:41:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-26 10:41:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-26 10:41:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-26 10:41:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:41:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:41:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-26 10:41:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-26 10:41:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-26 10:41:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-26 10:41:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 10:41:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 10:41:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:41:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:41:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:41:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:41:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:41:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:41:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:41:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:41:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:41:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:41:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:41:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:41:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 10:41:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 10:41:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 10:41:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 10:41:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 10:41:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 10:41:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 10:41:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 10:41:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-26 10:41:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-26 10:41:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 10:41:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 10:41:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-26 10:41:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-26 10:41:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 10:41:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 10:41:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-26 10:41:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-26 10:41:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:41:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:41:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-26 10:41:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-26 10:41:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:41:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_reset [2023-11-26 10:41:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_reset [2023-11-26 10:41:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-26 10:41:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-26 10:41:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2023-11-26 10:41:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2023-11-26 10:41:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-26 10:41:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-26 10:41:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:41:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:41:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:41:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:41:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:41:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:41:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:41:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:41:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:41:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:41:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:41:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:41:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 10:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 10:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 10:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 10:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 10:41:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 10:41:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 10:41:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 10:41:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-26 10:41:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-26 10:41:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure el3_rx [2023-11-26 10:41:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_rx [2023-11-26 10:41:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-26 10:41:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-26 10:41:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:41:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:41:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:41:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:41:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:41:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:41:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:41:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:41:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:41:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:41:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:41:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:41:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 10:41:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 10:41:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 10:41:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 10:41:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 10:41:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 10:41:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 10:41:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 10:41:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-26 10:41:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-26 10:41:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-26 10:41:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-26 10:41:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_set_xcvr [2023-11-26 10:41:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_set_xcvr [2023-11-26 10:41:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_release [2023-11-26 10:41:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_release [2023-11-26 10:41:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-26 10:41:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-26 10:41:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-26 10:41:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-26 10:41:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-26 10:41:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-26 10:41:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure el3_get_stats [2023-11-26 10:41:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_get_stats [2023-11-26 10:41:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 10:41:16,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 10:41:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_detach [2023-11-26 10:41:16,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_detach [2023-11-26 10:41:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_wait_for_completion [2023-11-26 10:41:16,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_wait_for_completion [2023-11-26 10:41:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:41:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:41:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:41:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:41:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:41:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:41:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:41:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:41:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:41:16,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:41:16,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:41:16,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:41:16,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:41:16,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 10:41:16,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 10:41:16,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 10:41:16,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 10:41:16,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 10:41:16,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 10:41:16,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 10:41:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 10:41:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-26 10:41:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-26 10:41:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 10:41:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 10:41:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-26 10:41:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-26 10:41:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-26 10:41:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-26 10:41:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-26 10:41:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-26 10:41:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-26 10:41:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-26 10:41:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-26 10:41:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-26 10:41:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-26 10:41:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-26 10:41:16,282 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-26 10:41:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-26 10:41:16,282 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-26 10:41:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-26 10:41:16,282 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-26 10:41:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-26 10:41:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure pop_tx_status [2023-11-26 10:41:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pop_tx_status [2023-11-26 10:41:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:41:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:41:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:41:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:41:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:41:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:41:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:41:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:41:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:41:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:41:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:41:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:41:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 10:41:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 10:41:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 10:41:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 10:41:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 10:41:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 10:41:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 10:41:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 10:41:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-26 10:41:16,286 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-26 10:41:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:16,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure el3_tx_timeout [2023-11-26 10:41:16,287 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_tx_timeout [2023-11-26 10:41:17,121 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:17,126 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:17,227 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 10:41:27,894 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:28,249 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:28,249 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:41:28,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:28 BoogieIcfgContainer [2023-11-26 10:41:28,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:28,258 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:41:28,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:41:28,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:41:28,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:41:12" (1/3) ... [2023-11-26 10:41:28,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c2e250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:28, skipping insertion in model container [2023-11-26 10:41:28,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (2/3) ... [2023-11-26 10:41:28,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c2e250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:28, skipping insertion in model container [2023-11-26 10:41:28,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:28" (3/3) ... [2023-11-26 10:41:28,267 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2023-11-26 10:41:28,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:41:28,292 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:41:28,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:41:28,415 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@118cdc8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:41:28,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:41:28,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 937 states, 617 states have (on average 1.4975688816855754) internal successors, (924), 655 states have internal predecessors, (924), 269 states have call successors, (269), 50 states have call predecessors, (269), 49 states have return successors, (263), 254 states have call predecessors, (263), 263 states have call successors, (263) [2023-11-26 10:41:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-26 10:41:28,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:28,500 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 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] [2023-11-26 10:41:28,501 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:28,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:28,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1828653919, now seen corresponding path program 1 times [2023-11-26 10:41:28,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:28,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946339514] [2023-11-26 10:41:28,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:28,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:41:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:41:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:41:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:41:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 10:41:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:41:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-26 10:41:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-26 10:41:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:41:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-26 10:41:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 10:41:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-26 10:41:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-26 10:41:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-26 10:41:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-26 10:41:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-26 10:41:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-26 10:41:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-26 10:41:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 10:41:31,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:31,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946339514] [2023-11-26 10:41:31,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946339514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:31,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:31,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:41:31,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684287450] [2023-11-26 10:41:31,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:31,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:41:31,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:31,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:41:31,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:41:31,076 INFO L87 Difference]: Start difference. First operand has 937 states, 617 states have (on average 1.4975688816855754) internal successors, (924), 655 states have internal predecessors, (924), 269 states have call successors, (269), 50 states have call predecessors, (269), 49 states have return successors, (263), 254 states have call predecessors, (263), 263 states have call successors, (263) Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-26 10:41:35,152 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 [] [2023-11-26 10:41:39,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:41:43,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:41:47,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:41:50,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:41:52,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:41:57,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:57,186 INFO L93 Difference]: Finished difference Result 2106 states and 3367 transitions. [2023-11-26 10:41:57,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:41:57,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 171 [2023-11-26 10:41:57,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:57,225 INFO L225 Difference]: With dead ends: 2106 [2023-11-26 10:41:57,226 INFO L226 Difference]: Without dead ends: 1159 [2023-11-26 10:41:57,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:41:57,248 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 919 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 790 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:57,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 2414 Invalid, 2445 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [790 Valid, 1651 Invalid, 4 Unknown, 0 Unchecked, 25.7s Time] [2023-11-26 10:41:57,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2023-11-26 10:41:57,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 924. [2023-11-26 10:41:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 612 states have (on average 1.4722222222222223) internal successors, (901), 642 states have internal predecessors, (901), 263 states have call successors, (263), 49 states have call predecessors, (263), 48 states have return successors, (262), 253 states have call predecessors, (262), 262 states have call successors, (262) [2023-11-26 10:41:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1426 transitions. [2023-11-26 10:41:57,546 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1426 transitions. Word has length 171 [2023-11-26 10:41:57,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:57,547 INFO L495 AbstractCegarLoop]: Abstraction has 924 states and 1426 transitions. [2023-11-26 10:41:57,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-26 10:41:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1426 transitions. [2023-11-26 10:41:57,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-26 10:41:57,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:57,566 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 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] [2023-11-26 10:41:57,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:41:57,567 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:57,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:57,568 INFO L85 PathProgramCache]: Analyzing trace with hash -561419561, now seen corresponding path program 1 times [2023-11-26 10:41:57,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:57,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556085177] [2023-11-26 10:41:57,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:41:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:41:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:58,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:41:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:41:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 10:41:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:41:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-26 10:41:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-26 10:41:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:41:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-26 10:41:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 10:41:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-26 10:41:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-26 10:41:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-26 10:41:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-26 10:41:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-26 10:41:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-26 10:41:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-26 10:41:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 10:41:59,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:59,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556085177] [2023-11-26 10:41:59,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556085177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:59,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:59,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 10:41:59,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789829814] [2023-11-26 10:41:59,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:59,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:41:59,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:59,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:41:59,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:41:59,249 INFO L87 Difference]: Start difference. First operand 924 states and 1426 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-26 10:42:03,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:42:07,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []