./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 0e0057cc 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_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/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_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-24 23:16:34,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:16:34,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:16:34,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:16:34,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:16:34,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:16:34,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:16:34,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:16:34,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:16:34,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:16:34,334 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:16:34,335 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:16:34,335 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:16:34,337 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:16:34,338 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:16:34,338 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:16:34,338 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:16:34,339 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:16:34,339 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:16:34,340 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:16:34,340 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:16:34,341 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:16:34,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:16:34,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:16:34,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:16:34,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:16:34,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:16:34,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:16:34,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:16:34,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:16:34,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:16:34,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:16:34,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:16:34,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:16:34,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:16:34,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:16:34,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:16:34,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:16:34,354 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:16:34,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:16:34,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:16:34,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:16:34,356 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:16:34,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:16:34,356 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_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2023-11-24 23:16:34,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:16:34,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:16:34,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:16:34,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:16:34,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:16:34,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-24 23:16:37,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:16:38,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:16:38,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-24 23:16:38,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/data/88be8222c/2de0261b89164d2f8c454455529d0115/FLAG4f84b0b92 [2023-11-24 23:16:38,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/data/88be8222c/2de0261b89164d2f8c454455529d0115 [2023-11-24 23:16:38,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:16:38,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:16:38,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:16:38,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:16:38,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:16:38,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:38" (1/1) ... [2023-11-24 23:16:38,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd80808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:38, skipping insertion in model container [2023-11-24 23:16:38,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:38" (1/1) ... [2023-11-24 23:16:39,031 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:16:44,275 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_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/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] [2023-11-24 23:16:44,282 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_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/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] [2023-11-24 23:16:44,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:16:44,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:16:44,572 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] [2023-11-24 23:16:44,574 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] [2023-11-24 23:16:44,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5400] [2023-11-24 23:16:44,576 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] [2023-11-24 23:16:44,577 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] [2023-11-24 23:16:44,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5559] [2023-11-24 23:16:44,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5567] [2023-11-24 23:16:44,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5574] [2023-11-24 23:16:44,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5582] [2023-11-24 23:16:44,588 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] [2023-11-24 23:16:44,589 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] [2023-11-24 23:16:44,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6797] [2023-11-24 23:16:44,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7071] [2023-11-24 23:16:44,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7497] [2023-11-24 23:16:44,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7505] [2023-11-24 23:16:44,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7902] [2023-11-24 23:16:44,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7904] [2023-11-24 23:16:44,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10966] [2023-11-24 23:16:45,173 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_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/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] [2023-11-24 23:16:45,174 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_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/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] [2023-11-24 23:16:45,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:16:45,473 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:16:45,473 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:16:45,473 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:16:45,482 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:16:45,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45 WrapperNode [2023-11-24 23:16:45,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:16:45,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:16:45,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:16:45,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:16:45,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:45,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,117 INFO L138 Inliner]: procedures = 543, calls = 4376, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 10648 [2023-11-24 23:16:46,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:16:46,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:16:46,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:16:46,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:16:46,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:16:46,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:16:46,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:16:46,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:16:46,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (1/1) ... [2023-11-24 23:16:46,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:16:46,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:16:46,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:16:47,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aa0b1c-2f21-4411-a827-6de3a8b3d302/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:16:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-24 23:16:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-24 23:16:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2023-11-24 23:16:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2023-11-24 23:16:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:16:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:16:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:16:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:16:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:16:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:16:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-24 23:16:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-24 23:16:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-24 23:16:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-24 23:16:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-24 23:16:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-24 23:16:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-24 23:16:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-24 23:16:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-24 23:16:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-24 23:16:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-24 23:16:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-24 23:16:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-24 23:16:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-24 23:16:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:16:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:16:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-24 23:16:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-24 23:16:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:16:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:16:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-24 23:16:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-24 23:16:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-24 23:16:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-24 23:16:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-24 23:16:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-24 23:16:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:16:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-24 23:16:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-24 23:16:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-24 23:16:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-24 23:16:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-24 23:16:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-24 23:16:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:16:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:16:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-24 23:16:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-24 23:16:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-24 23:16:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-24 23:16:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:16:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:16:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:16:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:16:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-24 23:16:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-24 23:16:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-24 23:16:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:16:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-24 23:16:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-24 23:16:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-24 23:16:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-24 23:16:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-24 23:16:47,062 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-24 23:16:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-24 23:16:47,063 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-24 23:16:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:16:47,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:16:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:16:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-24 23:16:47,064 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-24 23:16:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-24 23:16:47,064 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-24 23:16:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-24 23:16:47,065 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-24 23:16:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:16:47,065 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:16:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:16:47,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:16:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-24 23:16:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-24 23:16:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:16:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:16:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:16:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:16:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:16:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:16:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:16:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:16:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:16:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:16:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:16:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:16:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-24 23:16:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-24 23:16:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:16:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:16:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-24 23:16:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-24 23:16:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-24 23:16:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-24 23:16:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:16:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:16:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-24 23:16:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-24 23:16:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-24 23:16:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-24 23:16:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-24 23:16:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-24 23:16:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-24 23:16:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-24 23:16:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:16:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:16:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:16:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:16:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:16:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-24 23:16:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-24 23:16:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:16:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-24 23:16:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-24 23:16:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:16:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:16:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:16:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:16:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:16:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:16:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:16:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-24 23:16:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-24 23:16:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-24 23:16:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-24 23:16:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:16:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:16:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:16:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:16:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-24 23:16:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-24 23:16:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-24 23:16:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-24 23:16:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-24 23:16:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-24 23:16:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-24 23:16:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-24 23:16:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:16:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:16:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-24 23:16:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-24 23:16:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:16:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:16:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-24 23:16:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-24 23:16:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:16:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:16:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-24 23:16:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-24 23:16:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-24 23:16:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-24 23:16:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-24 23:16:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-24 23:16:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:16:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:16:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-24 23:16:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-24 23:16:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-24 23:16:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-24 23:16:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-24 23:16:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-24 23:16:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:16:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:16:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:16:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:16:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-24 23:16:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-24 23:16:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-24 23:16:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-24 23:16:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-24 23:16:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-24 23:16:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-24 23:16:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-24 23:16:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:16:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:16:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-24 23:16:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-24 23:16:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-24 23:16:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-24 23:16:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-24 23:16:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-24 23:16:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-24 23:16:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-24 23:16:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-24 23:16:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-24 23:16:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:16:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:16:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-24 23:16:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-24 23:16:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:16:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:16:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-24 23:16:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-24 23:16:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-24 23:16:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-24 23:16:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-24 23:16:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-24 23:16:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-24 23:16:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-24 23:16:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-24 23:16:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-24 23:16:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2023-11-24 23:16:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2023-11-24 23:16:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:16:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-24 23:16:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-24 23:16:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-24 23:16:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-24 23:16:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-24 23:16:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-24 23:16:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-24 23:16:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-24 23:16:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:16:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-24 23:16:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-24 23:16:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-24 23:16:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-24 23:16:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-24 23:16:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-24 23:16:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:16:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-24 23:16:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-24 23:16:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-24 23:16:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-24 23:16:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:16:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:16:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:16:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:16:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-24 23:16:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-24 23:16:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-24 23:16:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-24 23:16:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-24 23:16:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-24 23:16:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:16:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:16:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-24 23:16:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-24 23:16:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-24 23:16:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-24 23:16:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-24 23:16:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-24 23:16:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:16:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:16:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-24 23:16:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-24 23:16:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-24 23:16:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-24 23:16:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-24 23:16:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-24 23:16:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-24 23:16:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-24 23:16:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-24 23:16:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-24 23:16:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-24 23:16:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-24 23:16:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:16:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:16:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:16:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:16:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-24 23:16:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-24 23:16:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-24 23:16:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-24 23:16:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2023-11-24 23:16:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2023-11-24 23:16:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:16:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-24 23:16:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-24 23:16:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:16:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:16:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-24 23:16:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-24 23:16:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:16:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:16:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-24 23:16:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-24 23:16:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-24 23:16:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-24 23:16:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2023-11-24 23:16:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2023-11-24 23:16:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-24 23:16:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-24 23:16:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-24 23:16:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-24 23:16:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-24 23:16:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-24 23:16:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-24 23:16:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-24 23:16:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:16:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:16:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-24 23:16:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-24 23:16:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-24 23:16:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-24 23:16:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-24 23:16:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-24 23:16:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-24 23:16:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-24 23:16:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-24 23:16:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-24 23:16:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-24 23:16:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-24 23:16:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-24 23:16:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-24 23:16:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-24 23:16:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-24 23:16:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2023-11-24 23:16:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2023-11-24 23:16:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-24 23:16:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-24 23:16:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-24 23:16:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-24 23:16:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-24 23:16:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-24 23:16:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-24 23:16:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-24 23:16:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:16:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:16:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:16:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-24 23:16:48,601 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:16:48,607 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:16:49,094 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:17:01,476 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:17:01,932 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:17:14,152 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:17:14,152 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-24 23:17:14,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:14 BoogieIcfgContainer [2023-11-24 23:17:14,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:17:14,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:17:14,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:17:14,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:17:14,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:16:38" (1/3) ... [2023-11-24 23:17:14,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60573be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:14, skipping insertion in model container [2023-11-24 23:17:14,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:45" (2/3) ... [2023-11-24 23:17:14,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60573be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:14, skipping insertion in model container [2023-11-24 23:17:14,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:14" (3/3) ... [2023-11-24 23:17:14,165 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-24 23:17:14,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:17:14,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:17:14,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:17:14,322 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;@2f8e41c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:17:14,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:17:14,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 3240 states, 2033 states have (on average 1.3305459911460895) internal successors, (2705), 2091 states have internal predecessors, (2705), 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) [2023-11-24 23:17:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-24 23:17:14,412 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:17:14,413 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] [2023-11-24 23:17:14,414 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:17:14,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:17:14,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1007543123, now seen corresponding path program 1 times [2023-11-24 23:17:14,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:17:14,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177881526] [2023-11-24 23:17:14,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:17:14,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:17:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:17:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2023-11-24 23:17:16,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:17:16,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177881526] [2023-11-24 23:17:16,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177881526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:17:16,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:17:16,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:17:16,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137738334] [2023-11-24 23:17:16,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:17:16,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:17:16,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:17:16,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:17:16,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:17:16,260 INFO L87 Difference]: Start difference. First operand has 3240 states, 2033 states have (on average 1.3305459911460895) internal successors, (2705), 2091 states have internal predecessors, (2705), 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) [2023-11-24 23:17:18,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:17:20,292 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 []