./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 9bd2c7ff 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_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/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_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:50:36,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:50:36,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:50:36,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:50:36,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:50:36,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:50:36,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:50:36,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:50:36,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:50:36,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:50:36,252 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:50:36,252 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:50:36,253 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:50:36,253 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:50:36,254 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:50:36,255 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:50:36,255 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:50:36,256 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:50:36,256 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:50:36,257 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:50:36,257 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:50:36,265 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:50:36,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:50:36,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:50:36,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:50:36,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:50:36,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:50:36,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:50:36,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:50:36,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:50:36,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:50:36,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:50:36,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:50:36,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:36,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:50:36,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:50:36,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:50:36,294 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:50:36,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:50:36,295 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:50:36,295 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:50:36,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:50:36,296 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_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a [2023-11-19 04:50:36,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:50:36,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:50:36,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:50:36,716 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:50:36,718 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:50:36,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-19 04:50:39,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:50:40,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:50:40,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-19 04:50:40,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/data/ed00d84ce/2f689278fdf541829bce13e122611804/FLAG554fe1754 [2023-11-19 04:50:40,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/data/ed00d84ce/2f689278fdf541829bce13e122611804 [2023-11-19 04:50:40,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:50:40,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:50:40,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:40,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:50:40,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:50:40,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:40" (1/1) ... [2023-11-19 04:50:40,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778089c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:40, skipping insertion in model container [2023-11-19 04:50:40,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:40" (1/1) ... [2023-11-19 04:50:40,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:50:44,160 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_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2023-11-19 04:50:44,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:50:44,320 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:50:44,450 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] [2023-11-19 04:50:44,453 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] [2023-11-19 04:50:44,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5272] [2023-11-19 04:50:44,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5404] [2023-11-19 04:50:44,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5412] [2023-11-19 04:50:44,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5419] [2023-11-19 04:50:44,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5426] [2023-11-19 04:50:44,482 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] [2023-11-19 04:50:44,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5618] [2023-11-19 04:50:44,495 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] [2023-11-19 04:50:44,498 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] [2023-11-19 04:50:44,505 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] [2023-11-19 04:50:44,507 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] [2023-11-19 04:50:44,515 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] [2023-11-19 04:50:44,517 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] [2023-11-19 04:50:44,519 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" (335), "i" (12UL)); [6327-6328] [2023-11-19 04:50:44,521 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] [2023-11-19 04:50:44,558 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] [2023-11-19 04:50:44,559 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] [2023-11-19 04:50:44,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8189] [2023-11-19 04:50:44,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8492] [2023-11-19 04:50:44,693 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] [2023-11-19 04:50:44,693 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] [2023-11-19 04:50:44,694 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] [2023-11-19 04:50:44,695 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] [2023-11-19 04:50:44,763 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_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2023-11-19 04:50:44,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:50:45,076 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:50:45,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45 WrapperNode [2023-11-19 04:50:45,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:45,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:50:45,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:50:45,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:50:45,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,438 INFO L138 Inliner]: procedures = 396, calls = 1868, calls flagged for inlining = 235, calls inlined = 222, statements flattened = 5996 [2023-11-19 04:50:45,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:50:45,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:50:45,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:50:45,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:50:45,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:50:45,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:50:45,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:50:45,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:50:45,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (1/1) ... [2023-11-19 04:50:45,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:50:45,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:50:45,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:50:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:50:45,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:50:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:50:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:50:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:50:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:50:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:50:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:50:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2023-11-19 04:50:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2023-11-19 04:50:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2023-11-19 04:50:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2023-11-19 04:50:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 04:50:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 04:50:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:50:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:50:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2023-11-19 04:50:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2023-11-19 04:50:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2023-11-19 04:50:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2023-11-19 04:50:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:50:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:50:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:50:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:50:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:50:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:50:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:50:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:50:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:50:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:50:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:50:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:50:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2023-11-19 04:50:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2023-11-19 04:50:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2023-11-19 04:50:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2023-11-19 04:50:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-19 04:50:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-19 04:50:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-19 04:50:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-19 04:50:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:50:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 04:50:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 04:50:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2023-11-19 04:50:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2023-11-19 04:50:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2023-11-19 04:50:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2023-11-19 04:50:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:50:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:50:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 04:50:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 04:50:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:50:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 04:50:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 04:50:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:50:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:50:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2023-11-19 04:50:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2023-11-19 04:50:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:50:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:50:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:50:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2023-11-19 04:50:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2023-11-19 04:50:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:50:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:50:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:50:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-19 04:50:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-19 04:50:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:50:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:50:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2023-11-19 04:50:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2023-11-19 04:50:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2023-11-19 04:50:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2023-11-19 04:50:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2023-11-19 04:50:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2023-11-19 04:50:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2023-11-19 04:50:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2023-11-19 04:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 04:50:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 04:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:50:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:50:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:50:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:50:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:50:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:50:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 04:50:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 04:50:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:50:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:50:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2023-11-19 04:50:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2023-11-19 04:50:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2023-11-19 04:50:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2023-11-19 04:50:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-19 04:50:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-19 04:50:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:50:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:50:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:50:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:50:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2023-11-19 04:50:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2023-11-19 04:50:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 04:50:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 04:50:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2023-11-19 04:50:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2023-11-19 04:50:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 04:50:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 04:50:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:50:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:50:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-19 04:50:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-19 04:50:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:50:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:50:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:50:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:50:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 04:50:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 04:50:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2023-11-19 04:50:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2023-11-19 04:50:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:50:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:50:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-19 04:50:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-19 04:50:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:50:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:50:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:50:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:50:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2023-11-19 04:50:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2023-11-19 04:50:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2023-11-19 04:50:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2023-11-19 04:50:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-19 04:50:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-19 04:50:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2023-11-19 04:50:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2023-11-19 04:50:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2023-11-19 04:50:45,906 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2023-11-19 04:50:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2023-11-19 04:50:45,906 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2023-11-19 04:50:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2023-11-19 04:50:45,906 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2023-11-19 04:50:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2023-11-19 04:50:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2023-11-19 04:50:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-19 04:50:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-19 04:50:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:50:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:50:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:50:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:50:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-19 04:50:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-19 04:50:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2023-11-19 04:50:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2023-11-19 04:50:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:50:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:50:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:50:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:50:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2023-11-19 04:50:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2023-11-19 04:50:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2023-11-19 04:50:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2023-11-19 04:50:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2023-11-19 04:50:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2023-11-19 04:50:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2023-11-19 04:50:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2023-11-19 04:50:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:50:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:50:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:50:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 04:50:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 04:50:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:50:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:50:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2023-11-19 04:50:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2023-11-19 04:50:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:50:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:50:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2023-11-19 04:50:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2023-11-19 04:50:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2023-11-19 04:50:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2023-11-19 04:50:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:50:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:50:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:50:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:50:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2023-11-19 04:50:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2023-11-19 04:50:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2023-11-19 04:50:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2023-11-19 04:50:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:50:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:50:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2023-11-19 04:50:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2023-11-19 04:50:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:50:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:50:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:50:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:50:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-19 04:50:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-19 04:50:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 04:50:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 04:50:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2023-11-19 04:50:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2023-11-19 04:50:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:50:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2023-11-19 04:50:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2023-11-19 04:50:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:50:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:50:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 04:50:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 04:50:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:50:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:50:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2023-11-19 04:50:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2023-11-19 04:50:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2023-11-19 04:50:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2023-11-19 04:50:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-19 04:50:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-19 04:50:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2023-11-19 04:50:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2023-11-19 04:50:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2023-11-19 04:50:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2023-11-19 04:50:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:50:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:50:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2023-11-19 04:50:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2023-11-19 04:50:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-19 04:50:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-19 04:50:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 04:50:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 04:50:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:50:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-19 04:50:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-19 04:50:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:50:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:50:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 04:50:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 04:50:47,013 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:50:47,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:50:47,550 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:50:51,683 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:50:54,772 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:50:54,772 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:50:54,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:54 BoogieIcfgContainer [2023-11-19 04:50:54,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:50:54,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:50:54,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:50:54,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:50:54,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:50:40" (1/3) ... [2023-11-19 04:50:54,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a985cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:50:54, skipping insertion in model container [2023-11-19 04:50:54,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:45" (2/3) ... [2023-11-19 04:50:54,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a985cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:50:54, skipping insertion in model container [2023-11-19 04:50:54,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:54" (3/3) ... [2023-11-19 04:50:54,815 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-19 04:50:54,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:50:54,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:50:54,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:50:54,957 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;@367cf72d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:50:54,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:50:54,972 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) [2023-11-19 04:50:54,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:50:54,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:50:54,984 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] [2023-11-19 04:50:54,985 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] === [2023-11-19 04:50:54,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:50:54,993 INFO L85 PathProgramCache]: Analyzing trace with hash 333938608, now seen corresponding path program 1 times [2023-11-19 04:50:55,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:50:55,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111493450] [2023-11-19 04:50:55,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:50:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:50:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:50:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:50:56,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:50:56,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111493450] [2023-11-19 04:50:56,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111493450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:50:56,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:50:56,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:50:56,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873956400] [2023-11-19 04:50:56,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:50:56,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:50:56,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:50:56,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:50:56,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:50:56,076 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) [2023-11-19 04:50:58,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:50:58,439 INFO L93 Difference]: Finished difference Result 3834 states and 5836 transitions. [2023-11-19 04:50:58,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:50:58,441 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 [2023-11-19 04:50:58,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:50:58,479 INFO L225 Difference]: With dead ends: 3834 [2023-11-19 04:50:58,479 INFO L226 Difference]: Without dead ends: 1909 [2023-11-19 04:50:58,504 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 [2023-11-19 04:50:58,508 INFO L413 NwaCegarLoop]: 2456 mSDtfsCounter, 2789 mSDsluCounter, 4908 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:50:58,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 7364 Invalid, 1022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-19 04:50:58,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2023-11-19 04:50:58,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1909. [2023-11-19 04:50:58,830 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) [2023-11-19 04:50:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2776 transitions. [2023-11-19 04:50:58,863 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2776 transitions. Word has length 35 [2023-11-19 04:50:58,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:50:58,865 INFO L495 AbstractCegarLoop]: Abstraction has 1909 states and 2776 transitions. [2023-11-19 04:50:58,865 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) [2023-11-19 04:50:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2776 transitions. [2023-11-19 04:50:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:50:58,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:50:58,868 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] [2023-11-19 04:50:58,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:50:58,869 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] === [2023-11-19 04:50:58,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:50:58,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2106811599, now seen corresponding path program 1 times [2023-11-19 04:50:58,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:50:58,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859076528] [2023-11-19 04:50:58,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:50:58,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:50:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:50:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:50:59,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:50:59,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859076528] [2023-11-19 04:50:59,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859076528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:50:59,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:50:59,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:50:59,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519832366] [2023-11-19 04:50:59,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:50:59,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:50:59,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:50:59,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:50:59,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:50:59,372 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) [2023-11-19 04:51:02,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:51:02,721 INFO L93 Difference]: Finished difference Result 3801 states and 5547 transitions. [2023-11-19 04:51:02,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:51:02,721 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 [2023-11-19 04:51:02,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:51:02,772 INFO L225 Difference]: With dead ends: 3801 [2023-11-19 04:51:02,772 INFO L226 Difference]: Without dead ends: 3723 [2023-11-19 04:51:02,778 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 [2023-11-19 04:51:02,783 INFO L413 NwaCegarLoop]: 3361 mSDtfsCounter, 2754 mSDsluCounter, 9144 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:51:02,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 12505 Invalid, 1709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-19 04:51:02,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3723 states. [2023-11-19 04:51:03,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3723 to 3722. [2023-11-19 04:51:03,300 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) [2023-11-19 04:51:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5428 transitions. [2023-11-19 04:51:03,348 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5428 transitions. Word has length 40 [2023-11-19 04:51:03,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:51:03,349 INFO L495 AbstractCegarLoop]: Abstraction has 3722 states and 5428 transitions. [2023-11-19 04:51:03,349 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) [2023-11-19 04:51:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5428 transitions. [2023-11-19 04:51:03,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-11-19 04:51:03,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:03,388 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] [2023-11-19 04:51:03,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:51:03,389 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] === [2023-11-19 04:51:03,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:03,401 INFO L85 PathProgramCache]: Analyzing trace with hash -102408248, now seen corresponding path program 1 times [2023-11-19 04:51:03,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:51:03,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739355222] [2023-11-19 04:51:03,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:03,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:51:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:51:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-11-19 04:51:05,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:51:05,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739355222] [2023-11-19 04:51:05,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739355222] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:51:05,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299746058] [2023-11-19 04:51:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:05,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:51:05,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:51:05,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:51:05,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6464b0-1875-43f0-b6dd-9f1d78b4ec90/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:51:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:51:06,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 3188 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:51:06,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:51:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2023-11-19 04:51:07,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:51:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 37 proven. 16 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-19 04:51:08,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299746058] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:51:08,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1215065977] [2023-11-19 04:51:08,114 INFO L159 IcfgInterpreter]: Started Sifa with 188 locations of interest [2023-11-19 04:51:08,114 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:51:08,118 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:51:08,124 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:51:08,125 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs