./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:24:01,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:24:01,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:24:01,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:24:01,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:24:01,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:24:01,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:24:01,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:24:01,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:24:01,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:24:01,821 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:24:01,822 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:24:01,822 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:24:01,824 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:24:01,825 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:24:01,825 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:24:01,826 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:24:01,826 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:24:01,826 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:24:01,827 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:24:01,829 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:24:01,830 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:24:01,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:24:01,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:24:01,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:24:01,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:24:01,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:24:01,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:24:01,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:24:01,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:24:01,836 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:24:01,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:24:01,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:24:01,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:24:01,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:01,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:24:01,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:24:01,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:24:01,838 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:24:01,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:24:01,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:24:01,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:24:01,839 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:24:01,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:24:01,840 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_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 [2023-11-23 21:24:02,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:02,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:02,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:02,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:02,126 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:02,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-23 21:24:05,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:05,945 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:05,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-23 21:24:06,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/data/5c52d5bd3/0fe7c4988de2456eb12289ed1eb851d3/FLAG1f402cac9 [2023-11-23 21:24:06,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/data/5c52d5bd3/0fe7c4988de2456eb12289ed1eb851d3 [2023-11-23 21:24:06,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:06,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:06,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:06,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:06,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:06,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6cd34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06, skipping insertion in model container [2023-11-23 21:24:06,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:09,746 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_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2023-11-23 21:24:09,752 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_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2023-11-23 21:24:09,752 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_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2023-11-23 21:24:09,753 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_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2023-11-23 21:24:09,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:09,844 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:10,070 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"); [5228] [2023-11-23 21:24:10,072 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)); [5235] [2023-11-23 21:24:10,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5242] [2023-11-23 21:24:10,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5441] [2023-11-23 21:24:10,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5449] [2023-11-23 21:24:10,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5456] [2023-11-23 21:24:10,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5463] [2023-11-23 21:24:10,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5648-5649] [2023-11-23 21:24:10,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5655] [2023-11-23 21:24:10,113 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)); [6075-6076] [2023-11-23 21:24:10,116 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)); [6104-6105] [2023-11-23 21:24:10,127 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)); [6144-6145] [2023-11-23 21:24:10,129 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)); [6171-6172] [2023-11-23 21:24:10,139 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)); [6248-6249] [2023-11-23 21:24:10,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (303), "i" (12UL)); [6318-6319] [2023-11-23 21:24:10,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (335), "i" (12UL)); [6389-6390] [2023-11-23 21:24:10,147 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)); [6460-6461] [2023-11-23 21:24:10,185 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)); [7126-7127] [2023-11-23 21:24:10,186 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)); [7138-7139] [2023-11-23 21:24:10,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8235] [2023-11-23 21:24:10,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8536] [2023-11-23 21:24:10,293 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)); [9304-9305] [2023-11-23 21:24:10,293 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)); [9318-9319] [2023-11-23 21:24:10,294 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)); [9330-9331] [2023-11-23 21:24:10,295 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)); [9342-9343] [2023-11-23 21:24:10,498 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_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2023-11-23 21:24:10,499 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_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2023-11-23 21:24:10,499 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_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2023-11-23 21:24:10,500 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_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2023-11-23 21:24:10,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:10,897 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:10,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10 WrapperNode [2023-11-23 21:24:10,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:10,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:10,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:10,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:10,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,319 INFO L138 Inliner]: procedures = 549, calls = 2157, calls flagged for inlining = 287, calls inlined = 262, statements flattened = 7078 [2023-11-23 21:24:11,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:11,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:11,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:11,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:11,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:11,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:11,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:11,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:11,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (1/1) ... [2023-11-23 21:24:11,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:11,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:11,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:11,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15ea9ed-6240-4a70-9c82-fd7276a2fcdf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:24:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:24:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_94 [2023-11-23 21:24:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_94 [2023-11-23 21:24:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:24:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:24:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:24:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:24:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_76 [2023-11-23 21:24:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_76 [2023-11-23 21:24:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:24:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:24:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:24:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:24:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-23 21:24:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-23 21:24:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2023-11-23 21:24:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2023-11-23 21:24:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2023-11-23 21:24:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2023-11-23 21:24:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:24:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:24:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:24:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:24:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2023-11-23 21:24:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2023-11-23 21:24:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2023-11-23 21:24:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2023-11-23 21:24:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2023-11-23 21:24:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2023-11-23 21:24:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:24:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:24:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:24:11,779 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:24:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:24:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:24:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:24:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:24:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:24:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:24:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:24:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:24:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2023-11-23 21:24:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2023-11-23 21:24:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2023-11-23 21:24:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2023-11-23 21:24:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-23 21:24:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-23 21:24:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-23 21:24:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-23 21:24:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:24:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:24:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:24:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2023-11-23 21:24:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2023-11-23 21:24:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2023-11-23 21:24:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2023-11-23 21:24:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:24:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:24:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:24:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:24:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2023-11-23 21:24:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2023-11-23 21:24:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2023-11-23 21:24:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2023-11-23 21:24:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:24:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 21:24:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 21:24:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:24:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:24:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2023-11-23 21:24:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2023-11-23 21:24:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:24:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:24:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:24:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2023-11-23 21:24:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2023-11-23 21:24:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:24:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:24:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:24:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:24:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:24:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2023-11-23 21:24:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2023-11-23 21:24:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2023-11-23 21:24:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2023-11-23 21:24:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2023-11-23 21:24:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2023-11-23 21:24:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:24:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:24:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2023-11-23 21:24:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2023-11-23 21:24:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:24:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:24:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:24:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:24:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:24:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:24:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:24:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 21:24:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 21:24:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:24:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:24:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:24:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:24:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:24:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:24:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:24:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:24:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:24:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:24:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:24:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2023-11-23 21:24:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2023-11-23 21:24:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2023-11-23 21:24:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2023-11-23 21:24:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-23 21:24:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-23 21:24:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:24:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:24:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:24:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:24:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:24:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:24:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2023-11-23 21:24:11,887 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2023-11-23 21:24:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 21:24:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 21:24:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2023-11-23 21:24:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2023-11-23 21:24:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:24:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:24:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:24:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:24:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-23 21:24:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-23 21:24:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:24:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:24:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:24:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:24:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2023-11-23 21:24:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2023-11-23 21:24:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:24:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:24:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2023-11-23 21:24:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2023-11-23 21:24:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-23 21:24:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-23 21:24:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:24:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:24:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:24:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:24:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2023-11-23 21:24:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2023-11-23 21:24:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2023-11-23 21:24:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2023-11-23 21:24:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-23 21:24:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-23 21:24:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2023-11-23 21:24:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2023-11-23 21:24:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:24:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:24:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2023-11-23 21:24:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2023-11-23 21:24:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2023-11-23 21:24:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2023-11-23 21:24:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2023-11-23 21:24:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2023-11-23 21:24:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2023-11-23 21:24:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2023-11-23 21:24:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_93 [2023-11-23 21:24:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_93 [2023-11-23 21:24:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2023-11-23 21:24:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2023-11-23 21:24:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-23 21:24:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-23 21:24:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:24:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:24:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:24:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:24:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-23 21:24:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-23 21:24:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2023-11-23 21:24:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2023-11-23 21:24:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:24:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:24:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:24:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:24:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2023-11-23 21:24:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2023-11-23 21:24:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2023-11-23 21:24:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2023-11-23 21:24:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2023-11-23 21:24:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2023-11-23 21:24:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2023-11-23 21:24:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2023-11-23 21:24:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:24:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:24:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:24:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-23 21:24:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-23 21:24:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2023-11-23 21:24:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2023-11-23 21:24:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:24:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:24:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2023-11-23 21:24:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2023-11-23 21:24:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2023-11-23 21:24:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2023-11-23 21:24:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:24:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:24:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:24:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:24:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2023-11-23 21:24:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2023-11-23 21:24:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2023-11-23 21:24:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2023-11-23 21:24:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:24:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:24:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2023-11-23 21:24:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2023-11-23 21:24:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:24:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:24:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:24:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:24:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-23 21:24:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-23 21:24:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:24:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:24:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2023-11-23 21:24:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2023-11-23 21:24:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:24:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2023-11-23 21:24:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2023-11-23 21:24:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:24:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:24:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:24:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:24:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2023-11-23 21:24:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2023-11-23 21:24:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2023-11-23 21:24:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2023-11-23 21:24:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2023-11-23 21:24:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2023-11-23 21:24:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-23 21:24:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-23 21:24:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2023-11-23 21:24:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2023-11-23 21:24:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2023-11-23 21:24:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2023-11-23 21:24:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:24:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:24:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2023-11-23 21:24:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2023-11-23 21:24:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-23 21:24:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-23 21:24:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:24:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:24:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:24:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-23 21:24:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-23 21:24:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:24:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:24:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:24:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:24:12,909 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:12,917 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:13,487 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:24:17,682 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:24:17,934 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:21,547 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:21,547 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 21:24:21,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:21 BoogieIcfgContainer [2023-11-23 21:24:21,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:21,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:21,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:21,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:21,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:06" (1/3) ... [2023-11-23 21:24:21,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@933c588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:21, skipping insertion in model container [2023-11-23 21:24:21,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:10" (2/3) ... [2023-11-23 21:24:21,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@933c588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:21, skipping insertion in model container [2023-11-23 21:24:21,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:21" (3/3) ... [2023-11-23 21:24:21,562 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-23 21:24:21,584 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:21,584 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:24:21,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:21,720 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;@2f8d0be5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:21,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:24:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 2196 states, 1287 states have (on average 1.3053613053613053) internal successors, (1680), 1324 states have internal predecessors, (1680), 783 states have call successors, (783), 126 states have call predecessors, (783), 125 states have return successors, (774), 765 states have call predecessors, (774), 774 states have call successors, (774) [2023-11-23 21:24:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-23 21:24:21,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:21,769 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] [2023-11-23 21:24:21,770 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:24:21,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:21,775 INFO L85 PathProgramCache]: Analyzing trace with hash -558333090, now seen corresponding path program 1 times [2023-11-23 21:24:21,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:21,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064087966] [2023-11-23 21:24:21,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:21,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-23 21:24:22,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:22,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064087966] [2023-11-23 21:24:22,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064087966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:22,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:22,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:24:22,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837384680] [2023-11-23 21:24:22,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:22,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:22,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:22,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:22,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:22,915 INFO L87 Difference]: Start difference. First operand has 2196 states, 1287 states have (on average 1.3053613053613053) internal successors, (1680), 1324 states have internal predecessors, (1680), 783 states have call successors, (783), 126 states have call predecessors, (783), 125 states have return successors, (774), 765 states have call predecessors, (774), 774 states have call successors, (774) 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) [2023-11-23 21:24:26,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:26,084 INFO L93 Difference]: Finished difference Result 6414 states and 10029 transitions. [2023-11-23 21:24:26,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:24:26,088 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 [2023-11-23 21:24:26,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:26,159 INFO L225 Difference]: With dead ends: 6414 [2023-11-23 21:24:26,159 INFO L226 Difference]: Without dead ends: 4244 [2023-11-23 21:24:26,199 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 [2023-11-23 21:24:26,203 INFO L413 NwaCegarLoop]: 2784 mSDtfsCounter, 3065 mSDsluCounter, 2740 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3065 SdHoareTripleChecker+Valid, 5524 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:26,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3065 Valid, 5524 Invalid, 891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-23 21:24:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4244 states. [2023-11-23 21:24:26,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4244 to 4240. [2023-11-23 21:24:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4240 states, 2499 states have (on average 1.2949179671868747) internal successors, (3236), 2572 states have internal predecessors, (3236), 1492 states have call successors, (1492), 247 states have call predecessors, (1492), 246 states have return successors, (1488), 1470 states have call predecessors, (1488), 1488 states have call successors, (1488) [2023-11-23 21:24:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 4240 states and 6216 transitions. [2023-11-23 21:24:26,740 INFO L78 Accepts]: Start accepts. Automaton has 4240 states and 6216 transitions. Word has length 211 [2023-11-23 21:24:26,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:26,743 INFO L495 AbstractCegarLoop]: Abstraction has 4240 states and 6216 transitions. [2023-11-23 21:24:26,743 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) [2023-11-23 21:24:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 6216 transitions. [2023-11-23 21:24:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-23 21:24:26,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:26,752 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, 1, 1] [2023-11-23 21:24:26,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:24:26,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:24:26,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:26,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1665042965, now seen corresponding path program 1 times [2023-11-23 21:24:26,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:26,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353023483] [2023-11-23 21:24:26,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:26,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-23 21:24:27,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:27,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353023483] [2023-11-23 21:24:27,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353023483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:27,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:27,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:24:27,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990234675] [2023-11-23 21:24:27,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:27,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:27,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:27,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:27,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:27,278 INFO L87 Difference]: Start difference. First operand 4240 states and 6216 transitions. 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 21:24:30,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:30,279 INFO L93 Difference]: Finished difference Result 12578 states and 18532 transitions. [2023-11-23 21:24:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:24:30,280 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2023-11-23 21:24:30,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:30,362 INFO L225 Difference]: With dead ends: 12578 [2023-11-23 21:24:30,362 INFO L226 Difference]: Without dead ends: 8377 [2023-11-23 21:24:30,394 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 [2023-11-23 21:24:30,395 INFO L413 NwaCegarLoop]: 3132 mSDtfsCounter, 3127 mSDsluCounter, 2707 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3127 SdHoareTripleChecker+Valid, 5839 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:30,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3127 Valid, 5839 Invalid, 921 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:24:30,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8377 states. [2023-11-23 21:24:31,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8377 to 8347. [2023-11-23 21:24:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8347 states, 4934 states have (on average 1.2969193352249695) internal successors, (6399), 5086 states have internal predecessors, (6399), 2923 states have call successors, (2923), 492 states have call predecessors, (2923), 487 states have return successors, (3007), 2868 states have call predecessors, (3007), 2919 states have call successors, (3007) [2023-11-23 21:24:31,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8347 states to 8347 states and 12329 transitions. [2023-11-23 21:24:31,166 INFO L78 Accepts]: Start accepts. Automaton has 8347 states and 12329 transitions. Word has length 213 [2023-11-23 21:24:31,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:31,168 INFO L495 AbstractCegarLoop]: Abstraction has 8347 states and 12329 transitions. [2023-11-23 21:24:31,169 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 21:24:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 8347 states and 12329 transitions. [2023-11-23 21:24:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-23 21:24:31,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:31,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:31,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:24:31,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:24:31,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:31,190 INFO L85 PathProgramCache]: Analyzing trace with hash -171266623, now seen corresponding path program 1 times [2023-11-23 21:24:31,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:31,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798149053] [2023-11-23 21:24:31,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:31,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-23 21:24:31,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:31,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798149053] [2023-11-23 21:24:31,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798149053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:31,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:31,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:24:31,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132599164] [2023-11-23 21:24:31,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:31,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:31,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:31,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:31,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:31,851 INFO L87 Difference]: Start difference. First operand 8347 states and 12329 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 21:24:35,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:35,255 INFO L93 Difference]: Finished difference Result 24091 states and 35483 transitions. [2023-11-23 21:24:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:24:35,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 220 [2023-11-23 21:24:35,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:35,437 INFO L225 Difference]: With dead ends: 24091 [2023-11-23 21:24:35,437 INFO L226 Difference]: Without dead ends: 15783 [2023-11-23 21:24:35,515 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 [2023-11-23 21:24:35,516 INFO L413 NwaCegarLoop]: 3617 mSDtfsCounter, 2822 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 6310 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:35,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 6310 Invalid, 1074 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:24:35,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15783 states. [2023-11-23 21:24:36,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15783 to 15749. [2023-11-23 21:24:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15749 states, 9262 states have (on average 1.2851435974951415) internal successors, (11903), 9556 states have internal predecessors, (11903), 5533 states have call successors, (5533), 960 states have call predecessors, (5533), 951 states have return successors, (5621), 5426 states have call predecessors, (5621), 5529 states have call successors, (5621) [2023-11-23 21:24:36,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15749 states to 15749 states and 23057 transitions. [2023-11-23 21:24:36,899 INFO L78 Accepts]: Start accepts. Automaton has 15749 states and 23057 transitions. Word has length 220 [2023-11-23 21:24:36,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:36,900 INFO L495 AbstractCegarLoop]: Abstraction has 15749 states and 23057 transitions. [2023-11-23 21:24:36,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 21:24:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand 15749 states and 23057 transitions. [2023-11-23 21:24:36,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-23 21:24:36,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:36,905 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:36,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:24:36,906 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:24:36,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:36,906 INFO L85 PathProgramCache]: Analyzing trace with hash 462134877, now seen corresponding path program 1 times [2023-11-23 21:24:36,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:36,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903735984] [2023-11-23 21:24:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:36,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-23 21:24:37,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:37,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903735984] [2023-11-23 21:24:37,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903735984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:37,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:37,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:24:37,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762461905] [2023-11-23 21:24:37,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:37,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:37,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:37,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:37,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:37,209 INFO L87 Difference]: Start difference. First operand 15749 states and 23057 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-23 21:24:40,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:40,725 INFO L93 Difference]: Finished difference Result 44703 states and 65513 transitions. [2023-11-23 21:24:40,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:24:40,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 219 [2023-11-23 21:24:40,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:40,942 INFO L225 Difference]: With dead ends: 44703 [2023-11-23 21:24:40,942 INFO L226 Difference]: Without dead ends: 28993 [2023-11-23 21:24:41,012 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 [2023-11-23 21:24:41,016 INFO L413 NwaCegarLoop]: 2823 mSDtfsCounter, 2754 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 5491 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:41,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 5491 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-23 21:24:41,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28993 states. [2023-11-23 21:24:43,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28993 to 28951. [2023-11-23 21:24:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28951 states, 16986 states have (on average 1.2759331213940892) internal successors, (21673), 17552 states have internal predecessors, (21673), 10147 states have call successors, (10147), 1844 states have call predecessors, (10147), 1815 states have return successors, (10603), 9904 states have call predecessors, (10603), 10143 states have call successors, (10603) [2023-11-23 21:24:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28951 states to 28951 states and 42423 transitions. [2023-11-23 21:24:44,151 INFO L78 Accepts]: Start accepts. Automaton has 28951 states and 42423 transitions. Word has length 219 [2023-11-23 21:24:44,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:44,152 INFO L495 AbstractCegarLoop]: Abstraction has 28951 states and 42423 transitions. [2023-11-23 21:24:44,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-23 21:24:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 28951 states and 42423 transitions. [2023-11-23 21:24:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-23 21:24:44,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:44,160 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 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] [2023-11-23 21:24:44,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:24:44,161 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:24:44,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:44,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1942921806, now seen corresponding path program 1 times [2023-11-23 21:24:44,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:44,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145976632] [2023-11-23 21:24:44,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:44,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2023-11-23 21:24:44,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:44,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145976632] [2023-11-23 21:24:44,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145976632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:44,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:44,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:24:44,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939706792] [2023-11-23 21:24:44,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:44,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:44,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:44,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:44,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:44,609 INFO L87 Difference]: Start difference. First operand 28951 states and 42423 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25)