./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/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_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/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_12af68cb-7fb3-462a-8e46-846d173bf4ac/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 a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:00:31,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:00:31,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:00:31,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:00:31,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:00:31,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:00:31,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:00:31,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:00:31,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:00:31,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:00:31,528 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:00:31,528 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:00:31,529 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:00:31,530 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:00:31,531 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:00:31,531 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:00:31,532 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:00:31,533 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:00:31,534 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:00:31,535 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:00:31,536 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:00:31,537 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:00:31,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:00:31,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:00:31,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:00:31,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:00:31,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:00:31,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:00:31,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:00:31,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:00:31,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:00:31,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:00:31,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:00:31,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:00:31,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:31,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:00:31,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:00:31,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:00:31,549 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:00:31,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:00:31,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:00:31,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:00:31,551 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:00:31,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:00:31,552 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_12af68cb-7fb3-462a-8e46-846d173bf4ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a [2023-11-25 00:00:31,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:00:31,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:00:31,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:00:31,888 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:00:31,890 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:00:31,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-25 00:00:35,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:00:35,808 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:00:35,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-25 00:00:35,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/data/4a2132bad/2dab2a7e29b844249fb242b9ffcb8df8/FLAG8bdf4c0b1 [2023-11-25 00:00:35,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/data/4a2132bad/2dab2a7e29b844249fb242b9ffcb8df8 [2023-11-25 00:00:35,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:00:35,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:00:35,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:35,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:00:35,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:00:35,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:35" (1/1) ... [2023-11-25 00:00:35,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f242346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:35, skipping insertion in model container [2023-11-25 00:00:35,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:35" (1/1) ... [2023-11-25 00:00:36,171 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:00:39,160 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_12af68cb-7fb3-462a-8e46-846d173bf4ac/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2023-11-25 00:00:39,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:39,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:00:39,411 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"); [5258] [2023-11-25 00:00:39,413 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)); [5265] [2023-11-25 00:00:39,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5272] [2023-11-25 00:00:39,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5404] [2023-11-25 00:00:39,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5412] [2023-11-25 00:00:39,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5419] [2023-11-25 00:00:39,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5426] [2023-11-25 00:00:39,433 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/linux/netdevice.h"), "i" (502), "i" (12UL)); [5611-5612] [2023-11-25 00:00:39,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5618] [2023-11-25 00:00:39,449 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (164), "i" (12UL)); [6003-6004] [2023-11-25 00:00:39,452 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (180), "i" (12UL)); [6032-6033] [2023-11-25 00:00:39,460 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (210), "i" (12UL)); [6074-6075] [2023-11-25 00:00:39,462 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (229), "i" (12UL)); [6101-6102] [2023-11-25 00:00:39,471 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (269), "i" (12UL)); [6182-6183] [2023-11-25 00:00:39,474 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (303), "i" (12UL)); [6254-6255] [2023-11-25 00:00:39,476 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (335), "i" (12UL)); [6327-6328] [2023-11-25 00:00:39,479 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (369), "i" (12UL)); [6400-6401] [2023-11-25 00:00:39,518 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (811), "i" (12UL)); [7070-7071] [2023-11-25 00:00:39,519 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (812), "i" (12UL)); [7082-7083] [2023-11-25 00:00:39,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8189] [2023-11-25 00:00:39,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8492] [2023-11-25 00:00:39,661 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2273), "i" (12UL)); [9262-9263] [2023-11-25 00:00:39,663 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2275), "i" (12UL)); [9276-9277] [2023-11-25 00:00:39,665 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2276), "i" (12UL)); [9288-9289] [2023-11-25 00:00:39,666 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2277), "i" (12UL)); [9300-9301] [2023-11-25 00:00:39,786 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_12af68cb-7fb3-462a-8e46-846d173bf4ac/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2023-11-25 00:00:39,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:40,111 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:00:40,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40 WrapperNode [2023-11-25 00:00:40,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:40,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:40,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:00:40,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:00:40,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,469 INFO L138 Inliner]: procedures = 396, calls = 1868, calls flagged for inlining = 235, calls inlined = 222, statements flattened = 6200 [2023-11-25 00:00:40,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:40,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:00:40,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:00:40,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:00:40,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:00:40,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:00:40,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:00:40,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:00:40,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (1/1) ... [2023-11-25 00:00:40,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:40,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:40,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:00:40,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:00:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:00:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:00:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:00:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:00:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:00:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:00:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-25 00:00:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-25 00:00:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2023-11-25 00:00:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2023-11-25 00:00:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2023-11-25 00:00:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2023-11-25 00:00:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-25 00:00:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-25 00:00:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-25 00:00:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-25 00:00:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2023-11-25 00:00:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2023-11-25 00:00:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2023-11-25 00:00:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2023-11-25 00:00:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:00:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:00:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:00:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:00:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-25 00:00:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-25 00:00:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:00:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:00:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:00:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:00:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-25 00:00:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-25 00:00:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2023-11-25 00:00:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2023-11-25 00:00:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2023-11-25 00:00:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2023-11-25 00:00:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-25 00:00:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-25 00:00:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-25 00:00:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-25 00:00:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:00:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-25 00:00:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-25 00:00:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2023-11-25 00:00:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2023-11-25 00:00:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2023-11-25 00:00:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2023-11-25 00:00:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:00:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:00:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-25 00:00:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-25 00:00:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:00:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-25 00:00:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-25 00:00:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-25 00:00:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-25 00:00:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2023-11-25 00:00:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2023-11-25 00:00:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:00:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:00:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:00:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2023-11-25 00:00:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2023-11-25 00:00:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:00:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:00:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:00:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-25 00:00:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-25 00:00:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:00:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:00:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2023-11-25 00:00:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2023-11-25 00:00:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2023-11-25 00:00:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2023-11-25 00:00:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2023-11-25 00:00:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2023-11-25 00:00:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2023-11-25 00:00:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2023-11-25 00:00:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:00:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:00:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-25 00:00:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-25 00:00:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:00:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:00:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:00:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:00:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:00:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:00:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:00:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-25 00:00:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-25 00:00:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:00:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:00:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2023-11-25 00:00:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2023-11-25 00:00:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2023-11-25 00:00:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2023-11-25 00:00:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-25 00:00:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-25 00:00:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:00:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:00:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:00:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:00:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2023-11-25 00:00:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2023-11-25 00:00:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-25 00:00:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-25 00:00:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2023-11-25 00:00:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2023-11-25 00:00:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-25 00:00:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-25 00:00:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:00:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:00:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-25 00:00:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-25 00:00:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:00:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:00:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-25 00:00:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-25 00:00:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-25 00:00:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-25 00:00:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2023-11-25 00:00:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2023-11-25 00:00:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:00:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:00:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-25 00:00:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-25 00:00:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:00:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:00:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:00:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:00:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2023-11-25 00:00:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2023-11-25 00:00:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2023-11-25 00:00:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2023-11-25 00:00:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-25 00:00:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-25 00:00:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2023-11-25 00:00:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2023-11-25 00:00:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2023-11-25 00:00:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2023-11-25 00:00:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2023-11-25 00:00:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2023-11-25 00:00:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2023-11-25 00:00:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2023-11-25 00:00:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2023-11-25 00:00:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2023-11-25 00:00:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-25 00:00:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-25 00:00:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:00:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:00:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:00:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:00:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-25 00:00:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-25 00:00:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2023-11-25 00:00:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2023-11-25 00:00:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:00:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:00:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:00:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:00:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2023-11-25 00:00:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2023-11-25 00:00:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2023-11-25 00:00:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2023-11-25 00:00:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2023-11-25 00:00:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2023-11-25 00:00:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2023-11-25 00:00:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2023-11-25 00:00:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:00:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:00:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:00:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-25 00:00:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-25 00:00:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-25 00:00:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-25 00:00:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2023-11-25 00:00:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2023-11-25 00:00:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:00:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:00:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2023-11-25 00:00:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2023-11-25 00:00:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2023-11-25 00:00:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2023-11-25 00:00:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:00:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:00:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:00:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:00:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2023-11-25 00:00:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2023-11-25 00:00:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2023-11-25 00:00:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2023-11-25 00:00:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:00:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:00:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2023-11-25 00:00:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2023-11-25 00:00:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:00:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:00:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:00:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:00:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-25 00:00:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-25 00:00:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-25 00:00:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-25 00:00:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2023-11-25 00:00:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2023-11-25 00:00:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:00:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2023-11-25 00:00:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2023-11-25 00:00:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:00:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:00:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-25 00:00:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-25 00:00:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-25 00:00:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-25 00:00:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2023-11-25 00:00:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2023-11-25 00:00:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2023-11-25 00:00:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2023-11-25 00:00:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-25 00:00:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-25 00:00:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2023-11-25 00:00:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2023-11-25 00:00:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2023-11-25 00:00:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2023-11-25 00:00:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:00:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:00:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2023-11-25 00:00:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2023-11-25 00:00:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-25 00:00:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-25 00:00:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-25 00:00:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-25 00:00:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:00:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-25 00:00:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-25 00:00:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:00:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:00:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-25 00:00:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-25 00:00:42,141 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:00:42,146 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:00:42,800 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:00:47,673 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:00:50,969 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:00:50,970 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-25 00:00:50,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:50 BoogieIcfgContainer [2023-11-25 00:00:50,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:00:50,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:00:50,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:00:50,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:00:50,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:00:35" (1/3) ... [2023-11-25 00:00:50,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58eb9d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:50, skipping insertion in model container [2023-11-25 00:00:50,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:40" (2/3) ... [2023-11-25 00:00:50,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58eb9d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:50, skipping insertion in model container [2023-11-25 00:00:50,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:50" (3/3) ... [2023-11-25 00:00:50,989 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-25 00:00:51,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:00:51,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:00:51,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:00:51,165 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;@486dbab5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:00:51,165 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:00:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 1934 states, 1116 states have (on average 1.271505376344086) internal successors, (1419), 1163 states have internal predecessors, (1419), 707 states have call successors, (707), 112 states have call predecessors, (707), 111 states have return successors, (699), 686 states have call predecessors, (699), 699 states have call successors, (699) [2023-11-25 00:00:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-25 00:00:51,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:51,194 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-25 00:00:51,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:00:51,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:51,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1709921120, now seen corresponding path program 1 times [2023-11-25 00:00:51,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:51,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954966361] [2023-11-25 00:00:51,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:51,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-25 00:00:52,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:52,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954966361] [2023-11-25 00:00:52,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954966361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:52,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:52,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:00:52,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710873135] [2023-11-25 00:00:52,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:52,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:00:52,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:52,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:00:52,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:00:52,500 INFO L87 Difference]: Start difference. First operand has 1934 states, 1116 states have (on average 1.271505376344086) internal successors, (1419), 1163 states have internal predecessors, (1419), 707 states have call successors, (707), 112 states have call predecessors, (707), 111 states have return successors, (699), 686 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-25 00:00:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:54,952 INFO L93 Difference]: Finished difference Result 3848 states and 5850 transitions. [2023-11-25 00:00:54,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:00:54,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2023-11-25 00:00:54,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:55,002 INFO L225 Difference]: With dead ends: 3848 [2023-11-25 00:00:55,002 INFO L226 Difference]: Without dead ends: 1916 [2023-11-25 00:00:55,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:00:55,034 INFO L413 NwaCegarLoop]: 2462 mSDtfsCounter, 2796 mSDsluCounter, 4920 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2798 SdHoareTripleChecker+Valid, 7382 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:55,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2798 Valid, 7382 Invalid, 1025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-25 00:00:55,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2023-11-25 00:00:55,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1916. [2023-11-25 00:00:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1916 states, 1108 states have (on average 1.256317689530686) internal successors, (1392), 1148 states have internal predecessors, (1392), 697 states have call successors, (697), 112 states have call predecessors, (697), 110 states have return successors, (694), 681 states have call predecessors, (694), 694 states have call successors, (694) [2023-11-25 00:00:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1916 states and 2783 transitions. [2023-11-25 00:00:55,420 INFO L78 Accepts]: Start accepts. Automaton has 1916 states and 2783 transitions. Word has length 35 [2023-11-25 00:00:55,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:55,422 INFO L495 AbstractCegarLoop]: Abstraction has 1916 states and 2783 transitions. [2023-11-25 00:00:55,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-25 00:00:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 2783 transitions. [2023-11-25 00:00:55,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-25 00:00:55,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:55,426 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:55,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:00:55,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:00:55,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:55,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2063293535, now seen corresponding path program 1 times [2023-11-25 00:00:55,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:55,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152323449] [2023-11-25 00:00:55,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:55,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-25 00:00:55,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:55,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152323449] [2023-11-25 00:00:55,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152323449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:55,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:55,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:00:55,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362193940] [2023-11-25 00:00:55,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:55,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:00:55,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:55,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:00:55,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:00:55,980 INFO L87 Difference]: Start difference. First operand 1916 states and 2783 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-25 00:01:00,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:00,106 INFO L93 Difference]: Finished difference Result 3815 states and 5561 transitions. [2023-11-25 00:01:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:01:00,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2023-11-25 00:01:00,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:00,160 INFO L225 Difference]: With dead ends: 3815 [2023-11-25 00:01:00,160 INFO L226 Difference]: Without dead ends: 3737 [2023-11-25 00:01:00,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:01:00,168 INFO L413 NwaCegarLoop]: 3367 mSDtfsCounter, 2761 mSDsluCounter, 9162 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 12529 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:00,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 12529 Invalid, 1716 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-25 00:01:00,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2023-11-25 00:01:00,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3736. [2023-11-25 00:01:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 2162 states have (on average 1.255781683626272) internal successors, (2715), 2237 states have internal predecessors, (2715), 1354 states have call successors, (1354), 221 states have call predecessors, (1354), 219 states have return successors, (1373), 1326 states have call predecessors, (1373), 1351 states have call successors, (1373) [2023-11-25 00:01:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5442 transitions. [2023-11-25 00:01:00,715 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5442 transitions. Word has length 40 [2023-11-25 00:01:00,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:00,715 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5442 transitions. [2023-11-25 00:01:00,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-25 00:01:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5442 transitions. [2023-11-25 00:01:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-11-25 00:01:00,759 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:00,760 INFO L195 NwaCegarLoop]: trace histogram [13, 11, 11, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:00,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:01:00,761 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:00,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:00,762 INFO L85 PathProgramCache]: Analyzing trace with hash 124242516, now seen corresponding path program 1 times [2023-11-25 00:01:00,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:00,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340312265] [2023-11-25 00:01:00,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:00,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-11-25 00:01:03,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:03,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340312265] [2023-11-25 00:01:03,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340312265] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:01:03,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964528638] [2023-11-25 00:01:03,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:03,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:01:03,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:03,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:01:03,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12af68cb-7fb3-462a-8e46-846d173bf4ac/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:01:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:05,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-25 00:01:05,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:01:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 74 proven. 80 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2023-11-25 00:01:05,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:01:06,970 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2023-11-25 00:01:06,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964528638] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-25 00:01:06,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-25 00:01:06,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 8] total 19 [2023-11-25 00:01:06,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990218491] [2023-11-25 00:01:06,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:06,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-25 00:01:06,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:06,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-25 00:01:06,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-25 00:01:06,976 INFO L87 Difference]: Start difference. First operand 3736 states and 5442 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55)