./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:51:49,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:51:49,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:51:49,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:51:49,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:51:49,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:51:49,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:51:49,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:51:49,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:51:49,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:51:49,816 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:51:49,816 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:51:49,817 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:51:49,818 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:51:49,818 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:51:49,819 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:51:49,819 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:51:49,820 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:51:49,820 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:51:49,821 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:51:49,821 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:51:49,827 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:51:49,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:51:49,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:51:49,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:51:49,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:51:49,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:51:49,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:51:49,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:51:49,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:51:49,832 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:51:49,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:51:49,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:51:49,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:49,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:51:49,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:51:49,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:51:49,836 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:51:49,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:51:49,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:51:49,837 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:51:49,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:51:49,838 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_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 [2023-11-12 00:51:50,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:51:50,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:51:50,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:51:50,182 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:51:50,183 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:51:50,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-12 00:51:53,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:54,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:54,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-12 00:51:54,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/data/41cbf17c0/5173a7140b11490eb210d167766acf9b/FLAGca02e6fe1 [2023-11-12 00:51:54,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/data/41cbf17c0/5173a7140b11490eb210d167766acf9b [2023-11-12 00:51:54,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:54,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:54,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:54,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:54,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:54,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:54" (1/1) ... [2023-11-12 00:51:54,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15362b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:54, skipping insertion in model container [2023-11-12 00:51:54,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:54" (1/1) ... [2023-11-12 00:51:54,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:57,590 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_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2023-11-12 00:51:57,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:57,696 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:57,826 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"); [5239] [2023-11-12 00:51:57,828 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)); [5246] [2023-11-12 00:51:57,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5253] [2023-11-12 00:51:57,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5385] [2023-11-12 00:51:57,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5393] [2023-11-12 00:51:57,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5400] [2023-11-12 00:51:57,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5407] [2023-11-12 00:51:57,846 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)); [5592-5593] [2023-11-12 00:51:57,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5599] [2023-11-12 00:51:57,869 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)); [5984-5985] [2023-11-12 00:51:57,873 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)); [6013-6014] [2023-11-12 00:51:57,882 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)); [6055-6056] [2023-11-12 00:51:57,885 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)); [6082-6083] [2023-11-12 00:51:57,894 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)); [6163-6164] [2023-11-12 00:51:57,896 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)); [6235-6236] [2023-11-12 00:51:57,899 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)); [6308-6309] [2023-11-12 00:51:57,903 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)); [6381-6382] [2023-11-12 00:51:57,996 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)); [7051-7052] [2023-11-12 00:51:57,997 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)); [7063-7064] [2023-11-12 00:51:58,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8170] [2023-11-12 00:51:58,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8473] [2023-11-12 00:51:58,079 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)); [9243-9244] [2023-11-12 00:51:58,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2275), "i" (12UL)); [9257-9258] [2023-11-12 00:51:58,081 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)); [9269-9270] [2023-11-12 00:51:58,081 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)); [9281-9282] [2023-11-12 00:51:58,204 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_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2023-11-12 00:51:58,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:58,512 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:58,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58 WrapperNode [2023-11-12 00:51:58,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:58,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:58,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:58,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:58,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:58,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:58,911 INFO L138 Inliner]: procedures = 415, calls = 1913, calls flagged for inlining = 249, calls inlined = 236, statements flattened = 6204 [2023-11-12 00:51:58,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:58,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:58,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:58,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:58,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:58,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:58,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:58,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:59,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:59,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:59,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:59,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:59,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:59,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:59,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:59,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:59,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (1/1) ... [2023-11-12 00:51:59,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:59,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:59,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:59,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603c0807-3bf4-431d-9e8e-4fef3ad66c3d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:51:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:51:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:51:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:51:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:51:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:51:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:51:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:51:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2023-11-12 00:51:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2023-11-12 00:51:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2023-11-12 00:51:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2023-11-12 00:51:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 00:51:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 00:51:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:51:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:51:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2023-11-12 00:51:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2023-11-12 00:51:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2023-11-12 00:51:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2023-11-12 00:51:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:51:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:51:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:51:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:51:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:51:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:51:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:51:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:51:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:51:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:51:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:51:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:51:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2023-11-12 00:51:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2023-11-12 00:51:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2023-11-12 00:51:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2023-11-12 00:51:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-12 00:51:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-12 00:51:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-12 00:51:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-12 00:51:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:51:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:51:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:51:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2023-11-12 00:51:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2023-11-12 00:51:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2023-11-12 00:51:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2023-11-12 00:51:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:51:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:51:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:51:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:51:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:51:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-12 00:51:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-12 00:51:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:51:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:51:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2023-11-12 00:51:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2023-11-12 00:51:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:51:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:51:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:51:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2023-11-12 00:51:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2023-11-12 00:51:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:51:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:51:59,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:51:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 00:51:59,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 00:51:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:51:59,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:51:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2023-11-12 00:51:59,461 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2023-11-12 00:51:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2023-11-12 00:51:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2023-11-12 00:51:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2023-11-12 00:51:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2023-11-12 00:51:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2023-11-12 00:51:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2023-11-12 00:51:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:51:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:51:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:51:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:51:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:51:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:51:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:51:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 00:51:59,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 00:51:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:51:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:51:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:51:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:51:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:51:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:51:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:51:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:51:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:51:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:51:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:51:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:51:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:51:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2023-11-12 00:51:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2023-11-12 00:51:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2023-11-12 00:51:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2023-11-12 00:51:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-12 00:51:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-12 00:51:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:51:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:51:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:51:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:51:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2023-11-12 00:51:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2023-11-12 00:51:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 00:51:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 00:51:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2023-11-12 00:51:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2023-11-12 00:51:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:51:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:51:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:51:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:51:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-12 00:51:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-12 00:51:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:51:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:51:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 00:51:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 00:51:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2023-11-12 00:51:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2023-11-12 00:51:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:51:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:51:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-12 00:51:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-12 00:51:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:51:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:51:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:51:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:51:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2023-11-12 00:51:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2023-11-12 00:51:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2023-11-12 00:51:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2023-11-12 00:51:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-12 00:51:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-12 00:51:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2023-11-12 00:51:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2023-11-12 00:51:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2023-11-12 00:51:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2023-11-12 00:51:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2023-11-12 00:51:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2023-11-12 00:51:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2023-11-12 00:51:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2023-11-12 00:51:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2023-11-12 00:51:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2023-11-12 00:51:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-12 00:51:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-12 00:51:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:51:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:51:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:51:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:51:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-12 00:51:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-12 00:51:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2023-11-12 00:51:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2023-11-12 00:51:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:51:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:51:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:51:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:51:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2023-11-12 00:51:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2023-11-12 00:51:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2023-11-12 00:51:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2023-11-12 00:51:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2023-11-12 00:51:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2023-11-12 00:51:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2023-11-12 00:51:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2023-11-12 00:51:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:51:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:51:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:51:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 00:51:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 00:51:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 00:51:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 00:51:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2023-11-12 00:51:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2023-11-12 00:51:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:51:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:51:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2023-11-12 00:51:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2023-11-12 00:51:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2023-11-12 00:51:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2023-11-12 00:51:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:51:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:51:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:51:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:51:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2023-11-12 00:51:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2023-11-12 00:51:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2023-11-12 00:51:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2023-11-12 00:51:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:51:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:51:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2023-11-12 00:51:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2023-11-12 00:51:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:51:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:51:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:51:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:51:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-12 00:51:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-12 00:51:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 00:51:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 00:51:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2023-11-12 00:51:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2023-11-12 00:51:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:51:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2023-11-12 00:51:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2023-11-12 00:51:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:51:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:51:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:51:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:51:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:51:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:51:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2023-11-12 00:51:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2023-11-12 00:51:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2023-11-12 00:51:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2023-11-12 00:51:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2023-11-12 00:51:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2023-11-12 00:51:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-12 00:51:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-12 00:51:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2023-11-12 00:51:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2023-11-12 00:51:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2023-11-12 00:51:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2023-11-12 00:51:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:51:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:51:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2023-11-12 00:51:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2023-11-12 00:51:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-12 00:51:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-12 00:51:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:51:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:51:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:51:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-12 00:51:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-12 00:51:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:51:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:51:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 00:51:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 00:52:00,579 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:52:00,590 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:52:01,125 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:52:05,782 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:52:06,033 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:52:09,690 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:52:09,690 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:52:09,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:09 BoogieIcfgContainer [2023-11-12 00:52:09,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:52:09,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:52:09,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:52:09,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:52:09,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:54" (1/3) ... [2023-11-12 00:52:09,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aeb8d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:09, skipping insertion in model container [2023-11-12 00:52:09,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:58" (2/3) ... [2023-11-12 00:52:09,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aeb8d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:09, skipping insertion in model container [2023-11-12 00:52:09,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:09" (3/3) ... [2023-11-12 00:52:09,708 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-12 00:52:09,731 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:52:09,731 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:52:09,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:52:09,865 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;@2a132e84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:52:09,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:52:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 2130 states, 1265 states have (on average 1.3051383399209486) internal successors, (1651), 1299 states have internal predecessors, (1651), 750 states have call successors, (750), 117 states have call predecessors, (750), 116 states have return successors, (741), 732 states have call predecessors, (741), 741 states have call successors, (741) [2023-11-12 00:52:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-12 00:52:09,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:09,915 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:09,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:09,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:09,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1521033038, now seen corresponding path program 1 times [2023-11-12 00:52:09,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:09,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722546417] [2023-11-12 00:52:09,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:09,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-12 00:52:11,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:11,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722546417] [2023-11-12 00:52:11,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722546417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:11,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:11,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:52:11,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128944368] [2023-11-12 00:52:11,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:11,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:52:11,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:11,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:52:11,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:11,142 INFO L87 Difference]: Start difference. First operand has 2130 states, 1265 states have (on average 1.3051383399209486) internal successors, (1651), 1299 states have internal predecessors, (1651), 750 states have call successors, (750), 117 states have call predecessors, (750), 116 states have return successors, (741), 732 states have call predecessors, (741), 741 states have call successors, (741) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-12 00:52:13,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:13,998 INFO L93 Difference]: Finished difference Result 6227 states and 9653 transitions. [2023-11-12 00:52:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:52:14,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 211 [2023-11-12 00:52:14,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:14,063 INFO L225 Difference]: With dead ends: 6227 [2023-11-12 00:52:14,063 INFO L226 Difference]: Without dead ends: 4123 [2023-11-12 00:52:14,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:14,099 INFO L413 NwaCegarLoop]: 2705 mSDtfsCounter, 2994 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2994 SdHoareTripleChecker+Valid, 5366 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:14,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 5366 Invalid, 863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-12 00:52:14,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4123 states. [2023-11-12 00:52:14,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4123 to 4123. [2023-11-12 00:52:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4123 states, 2457 states have (on average 1.2958892958892958) internal successors, (3184), 2526 states have internal predecessors, (3184), 1437 states have call successors, (1437), 229 states have call predecessors, (1437), 228 states have return successors, (1433), 1415 states have call predecessors, (1433), 1433 states have call successors, (1433) [2023-11-12 00:52:14,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4123 states to 4123 states and 6054 transitions. [2023-11-12 00:52:14,507 INFO L78 Accepts]: Start accepts. Automaton has 4123 states and 6054 transitions. Word has length 211 [2023-11-12 00:52:14,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:14,509 INFO L495 AbstractCegarLoop]: Abstraction has 4123 states and 6054 transitions. [2023-11-12 00:52:14,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-12 00:52:14,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4123 states and 6054 transitions. [2023-11-12 00:52:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-12 00:52:14,526 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:14,526 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 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] [2023-11-12 00:52:14,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:52:14,527 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:14,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:14,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1399504907, now seen corresponding path program 1 times [2023-11-12 00:52:14,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:14,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147027882] [2023-11-12 00:52:14,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:14,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1559 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2023-11-12 00:52:15,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:15,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147027882] [2023-11-12 00:52:15,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147027882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:15,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:15,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:52:15,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137764764] [2023-11-12 00:52:15,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:15,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:52:15,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:15,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:52:15,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:52:15,372 INFO L87 Difference]: Start difference. First operand 4123 states and 6054 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-12 00:52:17,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:17,682 INFO L93 Difference]: Finished difference Result 4129 states and 6059 transitions. [2023-11-12 00:52:17,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:52:17,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 253 [2023-11-12 00:52:17,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:17,741 INFO L225 Difference]: With dead ends: 4129 [2023-11-12 00:52:17,742 INFO L226 Difference]: Without dead ends: 4125 [2023-11-12 00:52:17,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:52:17,752 INFO L413 NwaCegarLoop]: 2668 mSDtfsCounter, 3033 mSDsluCounter, 5332 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 8000 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:17,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3034 Valid, 8000 Invalid, 1268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-12 00:52:17,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4125 states. [2023-11-12 00:52:18,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4125 to 4125. [2023-11-12 00:52:18,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 2459 states have (on average 1.2952419682797884) internal successors, (3185), 2527 states have internal predecessors, (3185), 1437 states have call successors, (1437), 230 states have call predecessors, (1437), 228 states have return successors, (1433), 1415 states have call predecessors, (1433), 1433 states have call successors, (1433) [2023-11-12 00:52:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 6055 transitions. [2023-11-12 00:52:18,086 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 6055 transitions. Word has length 253 [2023-11-12 00:52:18,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:18,088 INFO L495 AbstractCegarLoop]: Abstraction has 4125 states and 6055 transitions. [2023-11-12 00:52:18,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-12 00:52:18,089 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 6055 transitions. [2023-11-12 00:52:18,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-12 00:52:18,103 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:18,103 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 5, 5, 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] [2023-11-12 00:52:18,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:52:18,104 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:18,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:18,105 INFO L85 PathProgramCache]: Analyzing trace with hash -682203631, now seen corresponding path program 1 times [2023-11-12 00:52:18,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:18,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021359951] [2023-11-12 00:52:18,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:18,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2023-11-12 00:52:18,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:18,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021359951] [2023-11-12 00:52:18,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021359951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:18,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:18,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:52:18,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026766408] [2023-11-12 00:52:18,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:18,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:52:18,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:18,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:52:18,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:52:18,893 INFO L87 Difference]: Start difference. First operand 4125 states and 6055 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-12 00:52:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:22,681 INFO L93 Difference]: Finished difference Result 8205 states and 12086 transitions. [2023-11-12 00:52:22,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:52:22,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 261 [2023-11-12 00:52:22,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:22,773 INFO L225 Difference]: With dead ends: 8205 [2023-11-12 00:52:22,773 INFO L226 Difference]: Without dead ends: 8183 [2023-11-12 00:52:22,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:52:22,784 INFO L413 NwaCegarLoop]: 2750 mSDtfsCounter, 3017 mSDsluCounter, 8106 mSDsCounter, 0 mSdLazyCounter, 1700 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3017 SdHoareTripleChecker+Valid, 10856 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:22,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3017 Valid, 10856 Invalid, 1703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1700 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-12 00:52:22,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8183 states. [2023-11-12 00:52:23,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8183 to 8181. [2023-11-12 00:52:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8181 states, 4884 states have (on average 1.2962735462735462) internal successors, (6331), 5020 states have internal predecessors, (6331), 2842 states have call successors, (2842), 456 states have call predecessors, (2842), 454 states have return successors, (2882), 2800 states have call predecessors, (2882), 2838 states have call successors, (2882) [2023-11-12 00:52:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8181 states to 8181 states and 12055 transitions. [2023-11-12 00:52:23,724 INFO L78 Accepts]: Start accepts. Automaton has 8181 states and 12055 transitions. Word has length 261 [2023-11-12 00:52:23,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:23,727 INFO L495 AbstractCegarLoop]: Abstraction has 8181 states and 12055 transitions. [2023-11-12 00:52:23,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-12 00:52:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 8181 states and 12055 transitions. [2023-11-12 00:52:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2023-11-12 00:52:23,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:23,799 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:23,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:52:23,800 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:23,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:23,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1204967100, now seen corresponding path program 1 times [2023-11-12 00:52:23,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:23,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711536091] [2023-11-12 00:52:23,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:23,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2923 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2915 trivial. 0 not checked. [2023-11-12 00:52:24,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:24,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711536091] [2023-11-12 00:52:24,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711536091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:24,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:24,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:52:24,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526645693] [2023-11-12 00:52:24,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:24,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:52:24,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:24,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:52:24,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:24,709 INFO L87 Difference]: Start difference. First operand 8181 states and 12055 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2023-11-12 00:52:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:27,747 INFO L93 Difference]: Finished difference Result 23757 states and 34951 transitions. [2023-11-12 00:52:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:52:27,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) Word has length 507 [2023-11-12 00:52:27,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:27,919 INFO L225 Difference]: With dead ends: 23757 [2023-11-12 00:52:27,919 INFO L226 Difference]: Without dead ends: 15615 [2023-11-12 00:52:27,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:28,000 INFO L413 NwaCegarLoop]: 3497 mSDtfsCounter, 2725 mSDsluCounter, 2614 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2725 SdHoareTripleChecker+Valid, 6111 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:28,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2725 Valid, 6111 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-12 00:52:28,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15615 states. [2023-11-12 00:52:29,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15615 to 15594. [2023-11-12 00:52:29,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15594 states, 9258 states have (on average 1.283646575934327) internal successors, (11884), 9527 states have internal predecessors, (11884), 5448 states have call successors, (5448), 889 states have call predecessors, (5448), 887 states have return successors, (5490), 5365 states have call predecessors, (5490), 5444 states have call successors, (5490) [2023-11-12 00:52:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15594 states to 15594 states and 22822 transitions. [2023-11-12 00:52:29,545 INFO L78 Accepts]: Start accepts. Automaton has 15594 states and 22822 transitions. Word has length 507 [2023-11-12 00:52:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:29,549 INFO L495 AbstractCegarLoop]: Abstraction has 15594 states and 22822 transitions. [2023-11-12 00:52:29,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2023-11-12 00:52:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 15594 states and 22822 transitions. [2023-11-12 00:52:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2023-11-12 00:52:29,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:29,640 INFO L195 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:29,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:52:29,640 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:29,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:29,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1537100543, now seen corresponding path program 1 times [2023-11-12 00:52:29,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:29,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541181969] [2023-11-12 00:52:29,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:29,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3037 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3029 trivial. 0 not checked. [2023-11-12 00:52:30,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:30,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541181969] [2023-11-12 00:52:30,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541181969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:30,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:30,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:52:30,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733894344] [2023-11-12 00:52:30,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:30,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:52:30,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:30,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:52:30,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:30,328 INFO L87 Difference]: Start difference. First operand 15594 states and 22822 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2023-11-12 00:52:33,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:33,619 INFO L93 Difference]: Finished difference Result 30540 states and 44599 transitions. [2023-11-12 00:52:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:52:33,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 519 [2023-11-12 00:52:33,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted.