./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--smsc--smc91c92_cs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:18,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:18,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:19:18,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:18,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:18,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:18,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:18,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:18,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:18,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:18,970 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:18,971 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:18,971 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:18,972 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:19:18,973 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:18,973 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:18,974 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:19:18,974 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:19:18,975 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:18,977 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:19:18,978 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:19:18,980 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:19:18,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:18,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:18,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:19:18,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:18,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:18,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:18,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:18,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:18,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:18,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:18,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:18,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:18,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:18,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:18,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:18,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:18,988 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:19:18,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:19:18,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:18,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:18,989 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:18,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:18,990 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2023-11-23 21:19:19,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:19,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:19,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:19,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:19,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:19,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2023-11-23 21:19:22,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:23,223 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:23,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2023-11-23 21:19:23,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/data/0cfddfb16/4b1d37b054734909940d861c88a57d41/FLAG74ee10dcb [2023-11-23 21:19:23,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/data/0cfddfb16/4b1d37b054734909940d861c88a57d41 [2023-11-23 21:19:23,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:23,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:23,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:23,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:23,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:23,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:23" (1/1) ... [2023-11-23 21:19:23,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2109c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:23, skipping insertion in model container [2023-11-23 21:19:23,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:23" (1/1) ... [2023-11-23 21:19:23,513 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:25,663 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_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2023-11-23 21:19:25,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:25,777 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:25,932 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"); [5941] [2023-11-23 21:19:25,934 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)); [5948] [2023-11-23 21:19:25,940 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)); [6077-6078] [2023-11-23 21:19:25,941 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"); [6083-6085] [2023-11-23 21:19:25,942 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)); [6107-6108] [2023-11-23 21:19:25,942 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"); [6113-6115] [2023-11-23 21:19:25,944 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)); [6136-6137] [2023-11-23 21:19:25,944 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"); [6142-6144] [2023-11-23 21:19:25,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6215] [2023-11-23 21:19:25,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6222] [2023-11-23 21:19:25,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6239] [2023-11-23 21:19:25,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6247] [2023-11-23 21:19:25,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6254] [2023-11-23 21:19:25,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6262] [2023-11-23 21:19:25,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsw": "+S" (addr), "+c" (count): "d" (port)); [6269] [2023-11-23 21:19:25,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insw": "+D" (addr), "+c" (count): "d" (port)); [6276] [2023-11-23 21:19:26,149 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_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2023-11-23 21:19:26,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:26,480 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:26,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26 WrapperNode [2023-11-23 21:19:26,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:26,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:26,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:26,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:26,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:26,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:26,912 INFO L138 Inliner]: procedures = 235, calls = 2318, calls flagged for inlining = 119, calls inlined = 115, statements flattened = 5903 [2023-11-23 21:19:26,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:26,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:26,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:26,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:26,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:26,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:26,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:26,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:27,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:27,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:27,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:27,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:27,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:27,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:27,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:27,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:27,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (1/1) ... [2023-11-23 21:19:27,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:27,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:27,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:27,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5f8ab0-9894-4c06-bb9c-a178a3c70999/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2023-11-23 21:19:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2023-11-23 21:19:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-23 21:19:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-23 21:19:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:19:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:19:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2023-11-23 21:19:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2023-11-23 21:19:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:19:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:19:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2023-11-23 21:19:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2023-11-23 21:19:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-23 21:19:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-23 21:19:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:19:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:19:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2023-11-23 21:19:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2023-11-23 21:19:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:19:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:19:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:19:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:19:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2023-11-23 21:19:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2023-11-23 21:19:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-23 21:19:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-23 21:19:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2023-11-23 21:19:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2023-11-23 21:19:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:19:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:19:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:19:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:19:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2023-11-23 21:19:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2023-11-23 21:19:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:19:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:19:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:19:27,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:19:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2023-11-23 21:19:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2023-11-23 21:19:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-23 21:19:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-23 21:19:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-23 21:19:27,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-23 21:19:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-23 21:19:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-23 21:19:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:19:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-23 21:19:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-23 21:19:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:19:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:19:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-23 21:19:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-23 21:19:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:19:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:19:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:19:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:19:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:19:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2023-11-23 21:19:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2023-11-23 21:19:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2023-11-23 21:19:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2023-11-23 21:19:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:19:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:19:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:19:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:19:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-23 21:19:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-23 21:19:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:19:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:19:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:19:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:19:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2023-11-23 21:19:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2023-11-23 21:19:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:19:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:19:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2023-11-23 21:19:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2023-11-23 21:19:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-23 21:19:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-23 21:19:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-23 21:19:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-23 21:19:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:19:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:19:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:19:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:19:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:19:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:19:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:19:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:19:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-23 21:19:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-23 21:19:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-23 21:19:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-23 21:19:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:19:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-23 21:19:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-23 21:19:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:19:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:19:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:19:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:19:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:19:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:19:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-23 21:19:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-23 21:19:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2023-11-23 21:19:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2023-11-23 21:19:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:19:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:19:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:19:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2023-11-23 21:19:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2023-11-23 21:19:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2023-11-23 21:19:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2023-11-23 21:19:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2023-11-23 21:19:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2023-11-23 21:19:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:19:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:19:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:19:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:19:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:19:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:19:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:19:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-11-23 21:19:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-11-23 21:19:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:19:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:19:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:19:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2023-11-23 21:19:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2023-11-23 21:19:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2023-11-23 21:19:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2023-11-23 21:19:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2023-11-23 21:19:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2023-11-23 21:19:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:19:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:19:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2023-11-23 21:19:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2023-11-23 21:19:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-23 21:19:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-23 21:19:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-23 21:19:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-23 21:19:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:19:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:19:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-23 21:19:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-23 21:19:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-23 21:19:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-23 21:19:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:28,310 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:28,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:29,975 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:19:37,282 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:40,016 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:40,016 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:19:40,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:40 BoogieIcfgContainer [2023-11-23 21:19:40,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:40,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:40,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:40,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:40,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:23" (1/3) ... [2023-11-23 21:19:40,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37488a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:40, skipping insertion in model container [2023-11-23 21:19:40,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:26" (2/3) ... [2023-11-23 21:19:40,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37488a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:40, skipping insertion in model container [2023-11-23 21:19:40,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:40" (3/3) ... [2023-11-23 21:19:40,032 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2023-11-23 21:19:40,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:40,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:40,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:40,171 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3931e349, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:40,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 1292 states, 756 states have (on average 1.335978835978836) internal successors, (1010), 813 states have internal predecessors, (1010), 464 states have call successors, (464), 71 states have call predecessors, (464), 70 states have return successors, (458), 448 states have call predecessors, (458), 458 states have call successors, (458) [2023-11-23 21:19:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 21:19:40,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:40,257 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-23 21:19:40,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:40,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:40,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1026218708, now seen corresponding path program 1 times [2023-11-23 21:19:40,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:40,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976688380] [2023-11-23 21:19:40,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:40,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-11-23 21:19:46,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:46,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976688380] [2023-11-23 21:19:46,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976688380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:46,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:46,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:19:46,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290807094] [2023-11-23 21:19:46,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:46,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:19:46,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:46,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:19:46,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:19:46,675 INFO L87 Difference]: Start difference. First operand has 1292 states, 756 states have (on average 1.335978835978836) internal successors, (1010), 813 states have internal predecessors, (1010), 464 states have call successors, (464), 71 states have call predecessors, (464), 70 states have return successors, (458), 448 states have call predecessors, (458), 458 states have call successors, (458) Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-11-23 21:19:48,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:50,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:56,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:01,685 INFO L93 Difference]: Finished difference Result 5104 states and 7659 transitions. [2023-11-23 21:20:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:20:01,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 240 [2023-11-23 21:20:01,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:01,796 INFO L225 Difference]: With dead ends: 5104 [2023-11-23 21:20:01,796 INFO L226 Difference]: Without dead ends: 3795 [2023-11-23 21:20:01,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:20:01,823 INFO L413 NwaCegarLoop]: 1709 mSDtfsCounter, 4793 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 904 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4793 SdHoareTripleChecker+Valid, 4163 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:01,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4793 Valid, 4163 Invalid, 2513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [904 Valid, 1607 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2023-11-23 21:20:01,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2023-11-23 21:20:02,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3783. [2023-11-23 21:20:02,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3783 states, 2229 states have (on average 1.3243606998654105) internal successors, (2952), 2370 states have internal predecessors, (2952), 1350 states have call successors, (1350), 204 states have call predecessors, (1350), 203 states have return successors, (1349), 1321 states have call predecessors, (1349), 1349 states have call successors, (1349) [2023-11-23 21:20:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5651 transitions. [2023-11-23 21:20:02,458 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5651 transitions. Word has length 240 [2023-11-23 21:20:02,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:02,461 INFO L495 AbstractCegarLoop]: Abstraction has 3783 states and 5651 transitions. [2023-11-23 21:20:02,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-11-23 21:20:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5651 transitions. [2023-11-23 21:20:02,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-23 21:20:02,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:02,491 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-23 21:20:02,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:20:02,492 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:02,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:02,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1806760886, now seen corresponding path program 1 times [2023-11-23 21:20:02,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:02,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293438] [2023-11-23 21:20:02,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:02,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-11-23 21:20:07,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:07,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293438] [2023-11-23 21:20:07,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:07,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:07,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:20:07,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490803730] [2023-11-23 21:20:07,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:07,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:20:07,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:07,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:20:07,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:20:07,801 INFO L87 Difference]: Start difference. First operand 3783 states and 5651 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43)