./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/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_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:29,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:29,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:12:29,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:29,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:29,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:29,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:29,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:29,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:29,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:29,655 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:29,657 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:29,657 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:29,659 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:29,659 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:29,660 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:29,660 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:29,661 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:29,661 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:29,662 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:29,662 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:29,663 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:29,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:29,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:29,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:29,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:29,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:29,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:29,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:29,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:29,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:29,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:29,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:29,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:29,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:29,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:29,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:29,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:29,671 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:29,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:29,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:29,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:29,672 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:29,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:29,673 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_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a [2023-11-23 21:12:29,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:29,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:29,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:29,962 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:29,962 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:29,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-23 21:12:33,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:33,837 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:33,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-23 21:12:33,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/data/5fbf6b74b/b451fcc4ec714c50b8b9e37128e0ca03/FLAG7046f5ced [2023-11-23 21:12:33,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/data/5fbf6b74b/b451fcc4ec714c50b8b9e37128e0ca03 [2023-11-23 21:12:33,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:33,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:33,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:33,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:33,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:33,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:33" (1/1) ... [2023-11-23 21:12:33,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6920a648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:33, skipping insertion in model container [2023-11-23 21:12:33,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:33" (1/1) ... [2023-11-23 21:12:34,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:36,818 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_f8aff885-12e7-4aae-91a3-5cc409fbf677/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2023-11-23 21:12:36,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:36,897 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:37,057 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] [2023-11-23 21:12:37,059 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] [2023-11-23 21:12:37,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5272] [2023-11-23 21:12:37,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5404] [2023-11-23 21:12:37,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5412] [2023-11-23 21:12:37,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5419] [2023-11-23 21:12:37,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5426] [2023-11-23 21:12:37,080 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 *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5611-5612] [2023-11-23 21:12:37,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5618] [2023-11-23 21:12:37,095 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] [2023-11-23 21:12:37,098 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] [2023-11-23 21:12:37,105 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] [2023-11-23 21:12:37,107 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] [2023-11-23 21:12:37,115 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] [2023-11-23 21:12:37,118 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] [2023-11-23 21:12:37,124 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] [2023-11-23 21:12:37,126 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] [2023-11-23 21:12:37,159 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] [2023-11-23 21:12:37,163 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] [2023-11-23 21:12:37,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8189] [2023-11-23 21:12:37,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8492] [2023-11-23 21:12:37,307 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] [2023-11-23 21:12:37,308 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] [2023-11-23 21:12:37,309 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] [2023-11-23 21:12:37,309 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] [2023-11-23 21:12:37,425 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_f8aff885-12e7-4aae-91a3-5cc409fbf677/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2023-11-23 21:12:37,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:37,741 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:37,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37 WrapperNode [2023-11-23 21:12:37,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:37,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:37,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:37,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:37,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:37,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,082 INFO L138 Inliner]: procedures = 396, calls = 1868, calls flagged for inlining = 235, calls inlined = 222, statements flattened = 5996 [2023-11-23 21:12:38,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:38,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:38,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:38,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:38,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:38,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:38,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:38,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:38,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:38,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:38,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:38,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:12:38,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:12:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:12:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:12:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:12:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:12:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:12:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:12:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2023-11-23 21:12:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2023-11-23 21:12:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2023-11-23 21:12:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2023-11-23 21:12:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:12:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:12:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:12:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:12:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2023-11-23 21:12:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2023-11-23 21:12:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2023-11-23 21:12:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2023-11-23 21:12:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:12:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:12:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:12:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:12:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:12:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:12:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:12:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:12:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:12:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:12:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:12:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:12:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2023-11-23 21:12:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2023-11-23 21:12:38,529 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2023-11-23 21:12:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2023-11-23 21:12:38,529 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-23 21:12:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-23 21:12:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-23 21:12:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-23 21:12:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:12:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:12:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2023-11-23 21:12:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2023-11-23 21:12:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2023-11-23 21:12:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2023-11-23 21:12:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:12:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:12:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:12:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:12:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:12:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 21:12:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 21:12:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:12:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:12:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2023-11-23 21:12:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2023-11-23 21:12:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:12:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:12:38,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:12:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2023-11-23 21:12:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2023-11-23 21:12:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:12:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:12:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-23 21:12:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-23 21:12:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:12:38,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:12:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2023-11-23 21:12:38,537 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2023-11-23 21:12:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2023-11-23 21:12:38,537 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2023-11-23 21:12:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2023-11-23 21:12:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2023-11-23 21:12:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2023-11-23 21:12:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2023-11-23 21:12:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:12:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:12:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:12:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:12:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:12:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:12:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:12:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:12:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:12:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:12:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:12:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2023-11-23 21:12:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2023-11-23 21:12:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2023-11-23 21:12:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2023-11-23 21:12:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-23 21:12:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-23 21:12:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:12:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:12:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:12:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:12:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2023-11-23 21:12:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2023-11-23 21:12:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 21:12:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 21:12:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2023-11-23 21:12:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2023-11-23 21:12:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:12:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:12:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:12:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:12:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-23 21:12:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-23 21:12:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:12:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:12:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:12:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:12:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2023-11-23 21:12:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2023-11-23 21:12:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:12:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:12:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-23 21:12:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-23 21:12:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:12:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:12:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:12:38,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:12:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2023-11-23 21:12:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2023-11-23 21:12:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2023-11-23 21:12:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2023-11-23 21:12:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-23 21:12:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-23 21:12:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2023-11-23 21:12:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2023-11-23 21:12:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2023-11-23 21:12:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2023-11-23 21:12:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2023-11-23 21:12:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2023-11-23 21:12:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2023-11-23 21:12:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2023-11-23 21:12:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2023-11-23 21:12:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2023-11-23 21:12:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-23 21:12:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-23 21:12:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:12:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:12:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:12:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:12:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-23 21:12:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-23 21:12:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2023-11-23 21:12:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2023-11-23 21:12:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:12:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:12:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:12:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2023-11-23 21:12:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2023-11-23 21:12:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2023-11-23 21:12:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2023-11-23 21:12:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2023-11-23 21:12:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2023-11-23 21:12:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2023-11-23 21:12:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2023-11-23 21:12:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:12:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:12:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:12:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-23 21:12:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-23 21:12:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:12:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:12:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2023-11-23 21:12:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2023-11-23 21:12:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:12:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:12:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2023-11-23 21:12:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2023-11-23 21:12:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2023-11-23 21:12:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2023-11-23 21:12:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:12:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:12:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:12:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:12:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2023-11-23 21:12:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2023-11-23 21:12:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2023-11-23 21:12:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2023-11-23 21:12:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:12:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:12:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2023-11-23 21:12:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2023-11-23 21:12:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:12:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:12:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:12:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:12:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-23 21:12:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-23 21:12:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:12:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:12:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2023-11-23 21:12:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2023-11-23 21:12:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2023-11-23 21:12:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2023-11-23 21:12:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:12:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:12:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:12:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:12:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:12:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:12:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2023-11-23 21:12:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2023-11-23 21:12:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2023-11-23 21:12:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2023-11-23 21:12:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-23 21:12:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-23 21:12:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2023-11-23 21:12:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2023-11-23 21:12:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2023-11-23 21:12:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2023-11-23 21:12:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:12:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:12:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2023-11-23 21:12:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2023-11-23 21:12:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-23 21:12:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-23 21:12:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:12:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:12:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-23 21:12:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-23 21:12:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:12:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:12:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:12:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:12:39,581 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:39,586 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:40,059 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:12:43,879 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:46,948 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:46,948 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 21:12:46,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:46 BoogieIcfgContainer [2023-11-23 21:12:46,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:46,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:46,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:46,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:46,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:33" (1/3) ... [2023-11-23 21:12:46,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d99d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:46, skipping insertion in model container [2023-11-23 21:12:46,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (2/3) ... [2023-11-23 21:12:46,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d99d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:46, skipping insertion in model container [2023-11-23 21:12:46,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:46" (3/3) ... [2023-11-23 21:12:46,967 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-23 21:12:46,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:46,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:47,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:47,089 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;@265f309e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:47,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:47,101 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) [2023-11-23 21:12:47,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 21:12:47,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:47,112 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] [2023-11-23 21:12:47,112 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] === [2023-11-23 21:12:47,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:47,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1889211752, now seen corresponding path program 1 times [2023-11-23 21:12:47,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:47,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310569013] [2023-11-23 21:12:47,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:47,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 21:12:48,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:48,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310569013] [2023-11-23 21:12:48,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310569013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:48,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:48,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:12:48,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180315663] [2023-11-23 21:12:48,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:48,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:12:48,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:48,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:12:48,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:12:48,177 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) [2023-11-23 21:12:50,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:50,308 INFO L93 Difference]: Finished difference Result 3834 states and 5836 transitions. [2023-11-23 21:12:50,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:12:50,310 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 [2023-11-23 21:12:50,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:50,349 INFO L225 Difference]: With dead ends: 3834 [2023-11-23 21:12:50,349 INFO L226 Difference]: Without dead ends: 1909 [2023-11-23 21:12:50,372 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 [2023-11-23 21:12:50,375 INFO L413 NwaCegarLoop]: 2456 mSDtfsCounter, 2789 mSDsluCounter, 4908 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:50,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 7364 Invalid, 1022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 21:12:50,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2023-11-23 21:12:50,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1909. [2023-11-23 21:12:50,575 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) [2023-11-23 21:12:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2776 transitions. [2023-11-23 21:12:50,604 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2776 transitions. Word has length 35 [2023-11-23 21:12:50,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:50,605 INFO L495 AbstractCegarLoop]: Abstraction has 1909 states and 2776 transitions. [2023-11-23 21:12:50,605 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) [2023-11-23 21:12:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2776 transitions. [2023-11-23 21:12:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 21:12:50,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:50,608 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] [2023-11-23 21:12:50,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:12:50,609 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] === [2023-11-23 21:12:50,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:50,610 INFO L85 PathProgramCache]: Analyzing trace with hash 365726439, now seen corresponding path program 1 times [2023-11-23 21:12:50,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:50,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876083660] [2023-11-23 21:12:50,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:50,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 21:12:50,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:50,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876083660] [2023-11-23 21:12:50,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876083660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:50,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:50,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:12:50,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508202684] [2023-11-23 21:12:50,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:50,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:12:50,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:50,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:12:50,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:12:50,994 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) [2023-11-23 21:12:54,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:54,276 INFO L93 Difference]: Finished difference Result 3801 states and 5547 transitions. [2023-11-23 21:12:54,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:12:54,277 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 [2023-11-23 21:12:54,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:54,334 INFO L225 Difference]: With dead ends: 3801 [2023-11-23 21:12:54,335 INFO L226 Difference]: Without dead ends: 3723 [2023-11-23 21:12:54,340 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 [2023-11-23 21:12:54,346 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, 2.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:54,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 12505 Invalid, 1709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-23 21:12:54,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3723 states. [2023-11-23 21:12:54,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3723 to 3722. [2023-11-23 21:12:54,771 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) [2023-11-23 21:12:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5428 transitions. [2023-11-23 21:12:54,830 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5428 transitions. Word has length 40 [2023-11-23 21:12:54,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:54,830 INFO L495 AbstractCegarLoop]: Abstraction has 3722 states and 5428 transitions. [2023-11-23 21:12:54,830 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) [2023-11-23 21:12:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5428 transitions. [2023-11-23 21:12:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-11-23 21:12:54,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:54,875 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] [2023-11-23 21:12:54,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:12:54,876 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] === [2023-11-23 21:12:54,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:54,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1217389123, now seen corresponding path program 1 times [2023-11-23 21:12:54,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:54,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243133393] [2023-11-23 21:12:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:54,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-11-23 21:12:57,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:57,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243133393] [2023-11-23 21:12:57,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243133393] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:12:57,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374810371] [2023-11-23 21:12:57,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:57,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:57,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:57,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:12:57,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aff885-12e7-4aae-91a3-5cc409fbf677/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:12:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:58,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 3190 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 21:12:58,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2023-11-23 21:12:58,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:12:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 37 proven. 16 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-23 21:12:59,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374810371] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:12:59,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [672697136] [2023-11-23 21:12:59,686 INFO L159 IcfgInterpreter]: Started Sifa with 188 locations of interest [2023-11-23 21:12:59,686 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:12:59,692 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:12:59,697 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:12:59,698 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs