./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/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_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/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_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/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 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:38:03,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:38:04,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:38:04,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:38:04,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:38:04,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:38:04,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:38:04,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:38:04,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:38:04,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:38:04,044 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:38:04,045 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:38:04,046 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:38:04,046 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:38:04,047 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:38:04,047 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:38:04,048 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:38:04,049 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:38:04,049 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:38:04,050 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:38:04,051 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:38:04,051 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:38:04,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:38:04,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:38:04,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:38:04,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:38:04,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:38:04,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:38:04,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:38:04,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:38:04,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:38:04,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:38:04,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:38:04,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:38:04,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:04,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:38:04,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:38:04,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:38:04,065 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:38:04,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:38:04,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:38:04,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:38:04,066 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:38:04,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:38:04,067 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_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2023-11-23 20:38:04,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:38:04,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:38:04,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:38:04,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:38:04,425 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:38:04,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-23 20:38:07,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:38:08,331 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:38:08,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-23 20:38:08,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/data/12e8b08d6/aaf1699fc4b549a08b67f0a0a81abcb8/FLAG16f1e2e9a [2023-11-23 20:38:08,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/data/12e8b08d6/aaf1699fc4b549a08b67f0a0a81abcb8 [2023-11-23 20:38:08,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:38:08,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:38:08,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:08,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:38:08,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:38:08,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:08" (1/1) ... [2023-11-23 20:38:08,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ef0860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:08, skipping insertion in model container [2023-11-23 20:38:08,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:08" (1/1) ... [2023-11-23 20:38:08,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:38:13,400 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_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2023-11-23 20:38:13,405 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_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2023-11-23 20:38:13,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:13,515 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:38:13,715 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"); [5386] [2023-11-23 20:38:13,717 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)); [5393] [2023-11-23 20:38:13,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5400] [2023-11-23 20:38:13,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5455-5456] [2023-11-23 20:38:13,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5461-5463] [2023-11-23 20:38:13,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5559] [2023-11-23 20:38:13,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5567] [2023-11-23 20:38:13,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5574] [2023-11-23 20:38:13,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5582] [2023-11-23 20:38:13,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5733-5734] [2023-11-23 20:38:13,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5767-5768] [2023-11-23 20:38:13,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6797] [2023-11-23 20:38:13,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7071] [2023-11-23 20:38:13,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7497] [2023-11-23 20:38:13,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7505] [2023-11-23 20:38:13,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7902] [2023-11-23 20:38:13,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7904] [2023-11-23 20:38:13,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10966] [2023-11-23 20:38:14,198 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_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2023-11-23 20:38:14,199 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_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2023-11-23 20:38:14,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:14,476 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:14,476 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:14,476 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:14,483 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:38:14,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14 WrapperNode [2023-11-23 20:38:14,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:14,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:14,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:38:14,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:38:14,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:14,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,156 INFO L138 Inliner]: procedures = 543, calls = 4376, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 10528 [2023-11-23 20:38:15,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:15,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:38:15,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:38:15,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:38:15,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:38:15,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:38:15,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:38:15,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:38:15,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:15,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:15,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:38:15,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb7c6c4-d76a-484b-92cc-fbd7774d510d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:38:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-23 20:38:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-23 20:38:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2023-11-23 20:38:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2023-11-23 20:38:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:38:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:38:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 20:38:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 20:38:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:38:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:38:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-23 20:38:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-23 20:38:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-23 20:38:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-23 20:38:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-23 20:38:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-23 20:38:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-23 20:38:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-23 20:38:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-23 20:38:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-23 20:38:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-23 20:38:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-23 20:38:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-23 20:38:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-23 20:38:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 20:38:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 20:38:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-23 20:38:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-23 20:38:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:38:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:38:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-23 20:38:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-23 20:38:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-23 20:38:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-23 20:38:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-23 20:38:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-23 20:38:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 20:38:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-23 20:38:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-23 20:38:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-23 20:38:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-23 20:38:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-23 20:38:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-23 20:38:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:38:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:38:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-23 20:38:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-23 20:38:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-23 20:38:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-23 20:38:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 20:38:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 20:38:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:38:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:38:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-23 20:38:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-23 20:38:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-23 20:38:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:38:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-23 20:38:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-23 20:38:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 20:38:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 20:38:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-23 20:38:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-23 20:38:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-23 20:38:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-23 20:38:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 20:38:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 20:38:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:38:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 20:38:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 20:38:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-23 20:38:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-23 20:38:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-23 20:38:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-23 20:38:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 20:38:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 20:38:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 20:38:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 20:38:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 20:38:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 20:38:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:38:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:38:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:38:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:38:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 20:38:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 20:38:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:38:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:38:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 20:38:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 20:38:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 20:38:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 20:38:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-23 20:38:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-23 20:38:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 20:38:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 20:38:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 20:38:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 20:38:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-23 20:38:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-23 20:38:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 20:38:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 20:38:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 20:38:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 20:38:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-23 20:38:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-23 20:38:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-23 20:38:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-23 20:38:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-23 20:38:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-23 20:38:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:38:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 20:38:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 20:38:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 20:38:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 20:38:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-23 20:38:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-23 20:38:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:38:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-23 20:38:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-23 20:38:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:38:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:38:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 20:38:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 20:38:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:38:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:38:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:38:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-23 20:38:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-23 20:38:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 20:38:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 20:38:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:38:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:38:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 20:38:16,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 20:38:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 20:38:16,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 20:38:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-23 20:38:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-23 20:38:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-23 20:38:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-23 20:38:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-23 20:38:16,184 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-23 20:38:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 20:38:16,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 20:38:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-23 20:38:16,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-23 20:38:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:38:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:38:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-23 20:38:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-23 20:38:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 20:38:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 20:38:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 20:38:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 20:38:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-23 20:38:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-23 20:38:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-23 20:38:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-23 20:38:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:38:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:38:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-23 20:38:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-23 20:38:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:38:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:38:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-23 20:38:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-23 20:38:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:38:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:38:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:38:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:38:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-23 20:38:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-23 20:38:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 20:38:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 20:38:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-23 20:38:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-23 20:38:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-23 20:38:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-23 20:38:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 20:38:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 20:38:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-23 20:38:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-23 20:38:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-23 20:38:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-23 20:38:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-23 20:38:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-23 20:38:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-23 20:38:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-23 20:38:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-23 20:38:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-23 20:38:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:38:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:38:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-23 20:38:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-23 20:38:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 20:38:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 20:38:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-23 20:38:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-23 20:38:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-23 20:38:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-23 20:38:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-23 20:38:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-23 20:38:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-23 20:38:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-23 20:38:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-23 20:38:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-23 20:38:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2023-11-23 20:38:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2023-11-23 20:38:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:38:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-23 20:38:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-23 20:38:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-23 20:38:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-23 20:38:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-23 20:38:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-23 20:38:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-23 20:38:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-23 20:38:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:38:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-23 20:38:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-23 20:38:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-23 20:38:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-23 20:38:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-23 20:38:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-23 20:38:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:38:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 20:38:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 20:38:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-23 20:38:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-23 20:38:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:38:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:38:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 20:38:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 20:38:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-23 20:38:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-23 20:38:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-23 20:38:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-23 20:38:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-23 20:38:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-23 20:38:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 20:38:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 20:38:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 20:38:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 20:38:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 20:38:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 20:38:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-23 20:38:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-23 20:38:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:38:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:38:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 20:38:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 20:38:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-23 20:38:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-23 20:38:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-23 20:38:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-23 20:38:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-23 20:38:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-23 20:38:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-23 20:38:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-23 20:38:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 20:38:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 20:38:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 20:38:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 20:38:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 20:38:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 20:38:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-23 20:38:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-23 20:38:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 20:38:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 20:38:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2023-11-23 20:38:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2023-11-23 20:38:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:38:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-23 20:38:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-23 20:38:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:38:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:38:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-23 20:38:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-23 20:38:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 20:38:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 20:38:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-23 20:38:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-23 20:38:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 20:38:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 20:38:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2023-11-23 20:38:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2023-11-23 20:38:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-23 20:38:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-23 20:38:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-23 20:38:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-23 20:38:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-23 20:38:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-23 20:38:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-23 20:38:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-23 20:38:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:38:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:38:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-23 20:38:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-23 20:38:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-23 20:38:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-23 20:38:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-23 20:38:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-23 20:38:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-23 20:38:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-23 20:38:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-23 20:38:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-23 20:38:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-23 20:38:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-23 20:38:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 20:38:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 20:38:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-23 20:38:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-23 20:38:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2023-11-23 20:38:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2023-11-23 20:38:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 20:38:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 20:38:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-23 20:38:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-23 20:38:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-23 20:38:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-23 20:38:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-23 20:38:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-23 20:38:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:38:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:38:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:38:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 20:38:17,508 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:38:17,513 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:38:17,920 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:38:29,921 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 20:38:30,451 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:38:41,787 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:38:41,788 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-23 20:38:41,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:41 BoogieIcfgContainer [2023-11-23 20:38:41,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:38:41,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:38:41,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:38:41,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:38:41,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:38:08" (1/3) ... [2023-11-23 20:38:41,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d984b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:41, skipping insertion in model container [2023-11-23 20:38:41,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14" (2/3) ... [2023-11-23 20:38:41,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d984b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:41, skipping insertion in model container [2023-11-23 20:38:41,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:41" (3/3) ... [2023-11-23 20:38:41,801 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-23 20:38:41,823 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:38:41,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:38:41,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:38:41,988 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;@5e459176, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:38:41,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:38:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 3221 states, 2014 states have (on average 1.3336643495531282) internal successors, (2686), 2074 states have internal predecessors, (2686), 1069 states have call successors, (1069), 154 states have call predecessors, (1069), 153 states have return successors, (1062), 1048 states have call predecessors, (1062), 1062 states have call successors, (1062) [2023-11-23 20:38:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-23 20:38:42,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:42,095 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 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] [2023-11-23 20:38:42,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:42,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:42,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1238392471, now seen corresponding path program 1 times [2023-11-23 20:38:42,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:42,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017736228] [2023-11-23 20:38:42,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:42,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2023-11-23 20:38:43,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:43,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017736228] [2023-11-23 20:38:43,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017736228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:43,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:43,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:38:43,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914688711] [2023-11-23 20:38:43,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:44,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:38:44,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:44,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:38:44,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:38:44,056 INFO L87 Difference]: Start difference. First operand has 3221 states, 2014 states have (on average 1.3336643495531282) internal successors, (2686), 2074 states have internal predecessors, (2686), 1069 states have call successors, (1069), 154 states have call predecessors, (1069), 153 states have return successors, (1062), 1048 states have call predecessors, (1062), 1062 states have call successors, (1062) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-23 20:38:46,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:48,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []