./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 cf1a7837 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_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/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_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX --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 0.2.3-dev-cf1a783 [2023-11-12 01:01:27,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:27,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:01:27,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:27,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:27,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:27,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:27,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:27,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:27,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:27,279 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:27,280 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:27,280 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:27,281 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:27,282 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:27,282 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:27,283 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:27,283 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:27,284 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:27,284 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:27,285 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:27,286 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:27,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:27,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:27,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:27,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:27,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:27,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:27,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:27,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:27,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:27,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:27,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:27,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:27,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:27,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:27,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:27,293 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:27,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:27,293 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:27,293 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:27,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:27,294 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_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a [2023-11-12 01:01:27,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:27,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:27,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:27,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:27,644 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:27,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-12 01:01:30,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:31,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:31,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-12 01:01:31,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/data/626b20ce2/0649256933054c19901adbe489542a0a/FLAG6adba8705 [2023-11-12 01:01:31,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/data/626b20ce2/0649256933054c19901adbe489542a0a [2023-11-12 01:01:31,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:31,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:31,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:31,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:31,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:31,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:31" (1/1) ... [2023-11-12 01:01:31,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db3ce41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:31, skipping insertion in model container [2023-11-12 01:01:31,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:31" (1/1) ... [2023-11-12 01:01:31,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:34,867 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_feff713e-13ac-415e-a584-92c9f507f78f/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2023-11-12 01:01:34,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:34,939 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:01:35,050 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] [2023-11-12 01:01:35,052 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] [2023-11-12 01:01:35,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5272] [2023-11-12 01:01:35,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5404] [2023-11-12 01:01:35,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5412] [2023-11-12 01:01:35,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5419] [2023-11-12 01:01:35,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5426] [2023-11-12 01:01:35,069 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] [2023-11-12 01:01:35,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5618] [2023-11-12 01:01:35,080 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] [2023-11-12 01:01:35,082 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] [2023-11-12 01:01:35,090 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] [2023-11-12 01:01:35,091 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] [2023-11-12 01:01:35,142 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] [2023-11-12 01:01:35,144 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] [2023-11-12 01:01:35,146 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] [2023-11-12 01:01:35,150 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] [2023-11-12 01:01:35,182 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] [2023-11-12 01:01:35,183 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] [2023-11-12 01:01:35,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8189] [2023-11-12 01:01:35,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8492] [2023-11-12 01:01:35,280 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] [2023-11-12 01:01:35,281 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] [2023-11-12 01:01:35,282 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] [2023-11-12 01:01:35,283 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] [2023-11-12 01:01:35,413 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_feff713e-13ac-415e-a584-92c9f507f78f/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2023-11-12 01:01:35,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:35,712 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:01:35,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35 WrapperNode [2023-11-12 01:01:35,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:35,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:35,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:01:35,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:01:35,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:35,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,089 INFO L138 Inliner]: procedures = 396, calls = 1868, calls flagged for inlining = 235, calls inlined = 222, statements flattened = 5996 [2023-11-12 01:01:36,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:36,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:01:36,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:01:36,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:01:36,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:01:36,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:01:36,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:01:36,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:01:36,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (1/1) ... [2023-11-12 01:01:36,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:36,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:36,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:01:36,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:01:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 01:01:36,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 01:01:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:01:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:01:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 01:01:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 01:01:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 01:01:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 01:01:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2023-11-12 01:01:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2023-11-12 01:01:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2023-11-12 01:01:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2023-11-12 01:01:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 01:01:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 01:01:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 01:01:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 01:01:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2023-11-12 01:01:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2023-11-12 01:01:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2023-11-12 01:01:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2023-11-12 01:01:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 01:01:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 01:01:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 01:01:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 01:01:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 01:01:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 01:01:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 01:01:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 01:01:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 01:01:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 01:01:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 01:01:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 01:01:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2023-11-12 01:01:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2023-11-12 01:01:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2023-11-12 01:01:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2023-11-12 01:01:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-12 01:01:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-12 01:01:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-12 01:01:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-12 01:01:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:01:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 01:01:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 01:01:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2023-11-12 01:01:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2023-11-12 01:01:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2023-11-12 01:01:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2023-11-12 01:01:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 01:01:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 01:01:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 01:01:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 01:01:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 01:01:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-12 01:01:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-12 01:01:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 01:01:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 01:01:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2023-11-12 01:01:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2023-11-12 01:01:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 01:01:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 01:01:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 01:01:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2023-11-12 01:01:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2023-11-12 01:01:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:01:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 01:01:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 01:01:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 01:01:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 01:01:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 01:01:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 01:01:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2023-11-12 01:01:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2023-11-12 01:01:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2023-11-12 01:01:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2023-11-12 01:01:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2023-11-12 01:01:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2023-11-12 01:01:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2023-11-12 01:01:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2023-11-12 01:01:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:01:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:01:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 01:01:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 01:01:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 01:01:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 01:01:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 01:01:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 01:01:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:01:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:01:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:01:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 01:01:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 01:01:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:01:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:01:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2023-11-12 01:01:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2023-11-12 01:01:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2023-11-12 01:01:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2023-11-12 01:01:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-12 01:01:36,608 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-12 01:01:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 01:01:36,608 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 01:01:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 01:01:36,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 01:01:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2023-11-12 01:01:36,608 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2023-11-12 01:01:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 01:01:36,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 01:01:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2023-11-12 01:01:36,609 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2023-11-12 01:01:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 01:01:36,609 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 01:01:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 01:01:36,609 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 01:01:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-12 01:01:36,609 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-12 01:01:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:01:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:01:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 01:01:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 01:01:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 01:01:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 01:01:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2023-11-12 01:01:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2023-11-12 01:01:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 01:01:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 01:01:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-12 01:01:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-12 01:01:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:01:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:01:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:01:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:01:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2023-11-12 01:01:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2023-11-12 01:01:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2023-11-12 01:01:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2023-11-12 01:01:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-12 01:01:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-12 01:01:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2023-11-12 01:01:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2023-11-12 01:01:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2023-11-12 01:01:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2023-11-12 01:01:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2023-11-12 01:01:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2023-11-12 01:01:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2023-11-12 01:01:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2023-11-12 01:01:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2023-11-12 01:01:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2023-11-12 01:01:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-12 01:01:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-12 01:01:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 01:01:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 01:01:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 01:01:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 01:01:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-12 01:01:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-12 01:01:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2023-11-12 01:01:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2023-11-12 01:01:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:01:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 01:01:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 01:01:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:01:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2023-11-12 01:01:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2023-11-12 01:01:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2023-11-12 01:01:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2023-11-12 01:01:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2023-11-12 01:01:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2023-11-12 01:01:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2023-11-12 01:01:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2023-11-12 01:01:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:01:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 01:01:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 01:01:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 01:01:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 01:01:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 01:01:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 01:01:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2023-11-12 01:01:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2023-11-12 01:01:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 01:01:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 01:01:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2023-11-12 01:01:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2023-11-12 01:01:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2023-11-12 01:01:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2023-11-12 01:01:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 01:01:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 01:01:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 01:01:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 01:01:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2023-11-12 01:01:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2023-11-12 01:01:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2023-11-12 01:01:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2023-11-12 01:01:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 01:01:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 01:01:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2023-11-12 01:01:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2023-11-12 01:01:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 01:01:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 01:01:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 01:01:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 01:01:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-12 01:01:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-12 01:01:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 01:01:36,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 01:01:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2023-11-12 01:01:36,620 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2023-11-12 01:01:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:01:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2023-11-12 01:01:36,620 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2023-11-12 01:01:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:01:36,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:01:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 01:01:36,621 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 01:01:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 01:01:36,621 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 01:01:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2023-11-12 01:01:36,621 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2023-11-12 01:01:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2023-11-12 01:01:36,621 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2023-11-12 01:01:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-12 01:01:36,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-12 01:01:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2023-11-12 01:01:36,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2023-11-12 01:01:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2023-11-12 01:01:36,622 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2023-11-12 01:01:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 01:01:36,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 01:01:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2023-11-12 01:01:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2023-11-12 01:01:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-12 01:01:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-12 01:01:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 01:01:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 01:01:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:01:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-12 01:01:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-12 01:01:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 01:01:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 01:01:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 01:01:36,624 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 01:01:37,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:01:37,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:01:38,235 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:01:42,606 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:01:45,850 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:01:45,851 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 01:01:45,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:45 BoogieIcfgContainer [2023-11-12 01:01:45,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:01:45,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:01:45,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:01:45,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:01:45,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:01:31" (1/3) ... [2023-11-12 01:01:45,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6efa34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:45, skipping insertion in model container [2023-11-12 01:01:45,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:35" (2/3) ... [2023-11-12 01:01:45,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6efa34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:45, skipping insertion in model container [2023-11-12 01:01:45,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:45" (3/3) ... [2023-11-12 01:01:45,868 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-12 01:01:45,892 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:01:45,893 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:01:46,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:01:46,037 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;@8fc0a8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:01:46,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:01:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 1927 states, 1109 states have (on average 1.2732191163210098) internal successors, (1412), 1162 states have internal predecessors, (1412), 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) [2023-11-12 01:01:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 01:01:46,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:46,074 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] [2023-11-12 01:01:46,075 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] === [2023-11-12 01:01:46,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:46,082 INFO L85 PathProgramCache]: Analyzing trace with hash 333938608, now seen corresponding path program 1 times [2023-11-12 01:01:46,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:46,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915482578] [2023-11-12 01:01:46,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:46,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 01:01:47,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:01:47,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915482578] [2023-11-12 01:01:47,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915482578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:01:47,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:01:47,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 01:01:47,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941306995] [2023-11-12 01:01:47,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:01:47,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:01:47,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:01:47,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:01:47,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:01:47,309 INFO L87 Difference]: Start difference. First operand has 1927 states, 1109 states have (on average 1.2732191163210098) internal successors, (1412), 1162 states have internal predecessors, (1412), 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) [2023-11-12 01:01:49,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:01:49,758 INFO L93 Difference]: Finished difference Result 3834 states and 5836 transitions. [2023-11-12 01:01:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 01:01:49,761 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 [2023-11-12 01:01:49,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:01:49,808 INFO L225 Difference]: With dead ends: 3834 [2023-11-12 01:01:49,808 INFO L226 Difference]: Without dead ends: 1909 [2023-11-12 01:01:49,833 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 [2023-11-12 01:01:49,836 INFO L413 NwaCegarLoop]: 2456 mSDtfsCounter, 2789 mSDsluCounter, 4908 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 7364 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-12 01:01:49,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 7364 Invalid, 1022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-12 01:01:49,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2023-11-12 01:01:50,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1909. [2023-11-12 01:01:50,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1909 states, 1101 states have (on average 1.2579473206176204) internal successors, (1385), 1147 states have internal predecessors, (1385), 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) [2023-11-12 01:01:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2776 transitions. [2023-11-12 01:01:50,093 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2776 transitions. Word has length 35 [2023-11-12 01:01:50,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:01:50,095 INFO L495 AbstractCegarLoop]: Abstraction has 1909 states and 2776 transitions. [2023-11-12 01:01:50,095 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) [2023-11-12 01:01:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2776 transitions. [2023-11-12 01:01:50,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-12 01:01:50,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:50,098 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] [2023-11-12 01:01:50,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:01:50,099 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] === [2023-11-12 01:01:50,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:50,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2106811599, now seen corresponding path program 1 times [2023-11-12 01:01:50,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:50,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137398379] [2023-11-12 01:01:50,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:50,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 01:01:50,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:01:50,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137398379] [2023-11-12 01:01:50,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137398379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:01:50,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:01:50,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 01:01:50,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189023920] [2023-11-12 01:01:50,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:01:50,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:01:50,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:01:50,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:01:50,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:01:50,604 INFO L87 Difference]: Start difference. First operand 1909 states and 2776 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) [2023-11-12 01:01:54,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:01:54,238 INFO L93 Difference]: Finished difference Result 3801 states and 5547 transitions. [2023-11-12 01:01:54,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 01:01:54,239 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 [2023-11-12 01:01:54,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:01:54,295 INFO L225 Difference]: With dead ends: 3801 [2023-11-12 01:01:54,296 INFO L226 Difference]: Without dead ends: 3723 [2023-11-12 01:01:54,302 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 [2023-11-12 01:01:54,304 INFO L413 NwaCegarLoop]: 3361 mSDtfsCounter, 2754 mSDsluCounter, 9144 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 12505 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-12 01:01:54,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 12505 Invalid, 1709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-12 01:01:54,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3723 states. [2023-11-12 01:01:54,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3723 to 3722. [2023-11-12 01:01:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3722 states, 2148 states have (on average 1.2574487895716946) internal successors, (2701), 2235 states have internal predecessors, (2701), 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) [2023-11-12 01:01:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5428 transitions. [2023-11-12 01:01:54,887 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5428 transitions. Word has length 40 [2023-11-12 01:01:54,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:01:54,888 INFO L495 AbstractCegarLoop]: Abstraction has 3722 states and 5428 transitions. [2023-11-12 01:01:54,888 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) [2023-11-12 01:01:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5428 transitions. [2023-11-12 01:01:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-11-12 01:01:54,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:54,929 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] [2023-11-12 01:01:54,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:01:54,930 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] === [2023-11-12 01:01:54,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:54,931 INFO L85 PathProgramCache]: Analyzing trace with hash -102408248, now seen corresponding path program 1 times [2023-11-12 01:01:54,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:54,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095746728] [2023-11-12 01:01:54,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:54,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-11-12 01:01:57,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:01:57,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095746728] [2023-11-12 01:01:57,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095746728] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 01:01:57,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869591052] [2023-11-12 01:01:57,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:57,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:01:57,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:57,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 01:01:57,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feff713e-13ac-415e-a584-92c9f507f78f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 01:01:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:58,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 3188 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-12 01:01:58,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:01:59,494 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 74 proven. 80 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2023-11-12 01:01:59,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:02:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2023-11-12 01:02:00,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869591052] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 01:02:00,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 01:02:00,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 8] total 19 [2023-11-12 01:02:00,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488307497] [2023-11-12 01:02:00,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:00,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 01:02:00,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:02:00,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 01:02:00,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-12 01:02:00,682 INFO L87 Difference]: Start difference. First operand 3722 states and 5428 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) [2023-11-12 01:02:14,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:14,119 INFO L93 Difference]: Finished difference Result 6173 states and 9137 transitions. [2023-11-12 01:02:14,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 01:02:14,122 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 327 [2023-11-12 01:02:14,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted.