./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 527ba95af45b5d863cb3ca1867267fd54ac6958329e64d7162c5caa88bde96c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:09:01,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:09:02,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:09:02,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:09:02,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:09:02,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:09:02,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:09:02,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:09:02,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:09:02,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:09:02,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:09:02,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:09:02,084 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:09:02,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:09:02,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:09:02,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:09:02,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:09:02,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:09:02,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:09:02,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:09:02,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:09:02,089 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:09:02,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:09:02,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:09:02,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:09:02,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:02,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:09:02,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:09:02,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:09:02,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:09:02,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:09:02,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:09:02,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:09:02,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:09:02,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:09:02,096 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:09:02,096 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 527ba95af45b5d863cb3ca1867267fd54ac6958329e64d7162c5caa88bde96c3 [2023-11-12 02:09:02,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:09:02,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:09:02,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:09:02,474 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:09:02,475 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:09:02,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-12 02:09:05,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:09:06,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:09:06,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-12 02:09:06,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/data/9d85f673c/61670a15a54449d39ab566416ac50f17/FLAG0e3116925 [2023-11-12 02:09:06,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/data/9d85f673c/61670a15a54449d39ab566416ac50f17 [2023-11-12 02:09:06,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:09:06,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:09:06,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:06,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:09:06,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:09:06,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:06" (1/1) ... [2023-11-12 02:09:06,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abb6ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:06, skipping insertion in model container [2023-11-12 02:09:06,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:06" (1/1) ... [2023-11-12 02:09:07,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:09:11,961 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_52aea256-57b3-443d-b6de-131cb920d631/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470813,470826] [2023-11-12 02:09:11,967 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_52aea256-57b3-443d-b6de-131cb920d631/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470982,470995] [2023-11-12 02:09:11,968 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_52aea256-57b3-443d-b6de-131cb920d631/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471149,471162] [2023-11-12 02:09:11,969 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_52aea256-57b3-443d-b6de-131cb920d631/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471317,471330] [2023-11-12 02:09:12,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:12,066 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:09:12,228 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"); [5396] [2023-11-12 02:09:12,230 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)); [5403] [2023-11-12 02:09:12,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5410] [2023-11-12 02:09:12,233 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5465-5466] [2023-11-12 02:09:12,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5471-5473] [2023-11-12 02:09:12,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5581] [2023-11-12 02:09:12,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5589] [2023-11-12 02:09:12,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5596] [2023-11-12 02:09:12,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5604] [2023-11-12 02:09:12,246 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5755-5756] [2023-11-12 02:09:12,248 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/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5789-5790] [2023-11-12 02:09:12,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6817] [2023-11-12 02:09:12,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7091] [2023-11-12 02:09:12,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7517] [2023-11-12 02:09:12,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7525] [2023-11-12 02:09:12,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7922] [2023-11-12 02:09:12,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7924] [2023-11-12 02:09:12,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10986] [2023-11-12 02:09:12,801 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_52aea256-57b3-443d-b6de-131cb920d631/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470813,470826] [2023-11-12 02:09:12,801 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_52aea256-57b3-443d-b6de-131cb920d631/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470982,470995] [2023-11-12 02:09:12,802 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_52aea256-57b3-443d-b6de-131cb920d631/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471149,471162] [2023-11-12 02:09:12,803 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_52aea256-57b3-443d-b6de-131cb920d631/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471317,471330] [2023-11-12 02:09:12,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:13,048 WARN L672 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:09:13,049 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:09:13,049 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:09:13,058 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:09:13,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13 WrapperNode [2023-11-12 02:09:13,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:13,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:13,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:09:13,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:09:13,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:13,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:13,808 INFO L138 Inliner]: procedures = 526, calls = 4283, calls flagged for inlining = 232, calls inlined = 215, statements flattened = 10295 [2023-11-12 02:09:13,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:13,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:09:13,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:09:13,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:09:13,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:13,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:13,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:13,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:14,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:14,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:14,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:14,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:14,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:09:14,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:09:14,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:09:14,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:09:14,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (1/1) ... [2023-11-12 02:09:14,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:14,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:14,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:09:14,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52aea256-57b3-443d-b6de-131cb920d631/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:09:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-12 02:09:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-12 02:09:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:09:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:09:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:09:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:09:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:09:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:09:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-12 02:09:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-12 02:09:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-12 02:09:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-12 02:09:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-12 02:09:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-12 02:09:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-12 02:09:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-12 02:09:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:09:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:09:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-12 02:09:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-12 02:09:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-12 02:09:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-12 02:09:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-12 02:09:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-12 02:09:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:09:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:09:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-12 02:09:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-12 02:09:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-12 02:09:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-12 02:09:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:09:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:09:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-12 02:09:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-12 02:09:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-12 02:09:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-12 02:09:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-12 02:09:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-12 02:09:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:09:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-12 02:09:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-12 02:09:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-12 02:09:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-12 02:09:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-12 02:09:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-12 02:09:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:09:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:09:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-12 02:09:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-12 02:09:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-12 02:09:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-12 02:09:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:09:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:09:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:09:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:09:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-12 02:09:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-12 02:09:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-12 02:09:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:09:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-12 02:09:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-12 02:09:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 02:09:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 02:09:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-12 02:09:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-12 02:09:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-12 02:09:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-12 02:09:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:09:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:09:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:09:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 02:09:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 02:09:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-12 02:09:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-12 02:09:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-12 02:09:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-12 02:09:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:09:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:09:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:09:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:09:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-12 02:09:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-12 02:09:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:09:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:09:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:09:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:09:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:09:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:09:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:09:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:09:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:09:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:09:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:09:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:09:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-12 02:09:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-12 02:09:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:09:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:09:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-12 02:09:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-12 02:09:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:09:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:09:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 02:09:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 02:09:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-12 02:09:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-12 02:09:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:09:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:09:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-12 02:09:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-12 02:09:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-12 02:09:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-12 02:09:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:09:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-12 02:09:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-12 02:09:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:09:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-12 02:09:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-12 02:09:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:09:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:09:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:09:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:09:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:09:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:09:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:09:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-12 02:09:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-12 02:09:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-12 02:09:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-12 02:09:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:09:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:09:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-12 02:09:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-12 02:09:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-12 02:09:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-12 02:09:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-12 02:09:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-12 02:09:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 02:09:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 02:09:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-12 02:09:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-12 02:09:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:09:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:09:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-12 02:09:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-12 02:09:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:09:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:09:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 02:09:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 02:09:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-12 02:09:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-12 02:09:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-12 02:09:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-12 02:09:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:09:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:09:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-12 02:09:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-12 02:09:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-12 02:09:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-12 02:09:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-12 02:09:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-12 02:09:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:09:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:09:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:09:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:09:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-12 02:09:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-12 02:09:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:09:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:09:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 02:09:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 02:09:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-12 02:09:14,851 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-12 02:09:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-12 02:09:14,851 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-12 02:09:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:09:14,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:09:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-12 02:09:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-12 02:09:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-12 02:09:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-12 02:09:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-12 02:09:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-12 02:09:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-12 02:09:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-12 02:09:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-12 02:09:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-12 02:09:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:09:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:09:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-12 02:09:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-12 02:09:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:09:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:09:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-12 02:09:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-12 02:09:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-12 02:09:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-12 02:09:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-12 02:09:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-12 02:09:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-12 02:09:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-12 02:09:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 02:09:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 02:09:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2023-11-12 02:09:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2023-11-12 02:09:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:09:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-12 02:09:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-12 02:09:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-12 02:09:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-12 02:09:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-12 02:09:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-12 02:09:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-12 02:09:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-12 02:09:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:09:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-12 02:09:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-12 02:09:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-12 02:09:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-12 02:09:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-12 02:09:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-12 02:09:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:09:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 02:09:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 02:09:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-12 02:09:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-12 02:09:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:09:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:09:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:09:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:09:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-12 02:09:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-12 02:09:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-12 02:09:14,860 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-12 02:09:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-12 02:09:14,860 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-12 02:09:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:09:14,860 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:09:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 02:09:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 02:09:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 02:09:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 02:09:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-12 02:09:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-12 02:09:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:09:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:09:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-12 02:09:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-12 02:09:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-12 02:09:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-12 02:09:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-12 02:09:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-12 02:09:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-12 02:09:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-12 02:09:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-12 02:09:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-12 02:09:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 02:09:14,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 02:09:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 02:09:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 02:09:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:09:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:09:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-12 02:09:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-12 02:09:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 02:09:14,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 02:09:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2023-11-12 02:09:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2023-11-12 02:09:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2023-11-12 02:09:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2023-11-12 02:09:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:09:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-12 02:09:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-12 02:09:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:09:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:09:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-12 02:09:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-12 02:09:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 02:09:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 02:09:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-12 02:09:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-12 02:09:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 02:09:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 02:09:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-12 02:09:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-12 02:09:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-12 02:09:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-12 02:09:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-12 02:09:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-12 02:09:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-12 02:09:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-12 02:09:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:09:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:09:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-12 02:09:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-12 02:09:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-12 02:09:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-12 02:09:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-12 02:09:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-12 02:09:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-12 02:09:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-12 02:09:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-12 02:09:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-12 02:09:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-12 02:09:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-12 02:09:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 02:09:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 02:09:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-12 02:09:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-12 02:09:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2023-11-12 02:09:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2023-11-12 02:09:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-12 02:09:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-12 02:09:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-12 02:09:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-12 02:09:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-12 02:09:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-12 02:09:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-12 02:09:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-12 02:09:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:09:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:09:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:09:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 02:09:16,348 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:09:16,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:09:16,809 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:09:38,655 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:09:38,708 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:09:38,709 INFO L302 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-12 02:09:38,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:38 BoogieIcfgContainer [2023-11-12 02:09:38,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:09:38,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:09:38,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:09:38,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:09:38,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:09:06" (1/3) ... [2023-11-12 02:09:38,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d50a3ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:38, skipping insertion in model container [2023-11-12 02:09:38,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:13" (2/3) ... [2023-11-12 02:09:38,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d50a3ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:38, skipping insertion in model container [2023-11-12 02:09:38,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:38" (3/3) ... [2023-11-12 02:09:38,732 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-12 02:09:38,754 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:09:38,754 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 02:09:38,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:09:38,934 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=PETRI_NET, 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;@321b02c3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:09:38,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 02:09:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 4785 states, 3602 states have (on average 1.4616879511382566) internal successors, (5265), 3679 states have internal predecessors, (5265), 1044 states have call successors, (1044), 152 states have call predecessors, (1044), 151 states have return successors, (1035), 1021 states have call predecessors, (1035), 1035 states have call successors, (1035) [2023-11-12 02:09:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-12 02:09:38,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:38,972 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:38,972 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)] === [2023-11-12 02:09:38,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:38,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1147257967, now seen corresponding path program 1 times [2023-11-12 02:09:38,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:38,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312423968] [2023-11-12 02:09:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:38,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-12 02:09:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:09:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:09:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:09:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:09:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-12 02:09:40,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:40,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312423968] [2023-11-12 02:09:40,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312423968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:40,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:40,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:40,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407834541] [2023-11-12 02:09:40,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:40,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:09:40,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:40,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:40,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:40,866 INFO L87 Difference]: Start difference. First operand has 4785 states, 3602 states have (on average 1.4616879511382566) internal successors, (5265), 3679 states have internal predecessors, (5265), 1044 states have call successors, (1044), 152 states have call predecessors, (1044), 151 states have return successors, (1035), 1021 states have call predecessors, (1035), 1035 states have call successors, (1035) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-12 02:09:41,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:41,780 INFO L93 Difference]: Finished difference Result 9497 states and 14894 transitions. [2023-11-12 02:09:41,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:09:41,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2023-11-12 02:09:41,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:41,862 INFO L225 Difference]: With dead ends: 9497 [2023-11-12 02:09:41,862 INFO L226 Difference]: Without dead ends: 4723 [2023-11-12 02:09:41,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:09:41,937 INFO L413 NwaCegarLoop]: 7196 mSDtfsCounter, 7174 mSDsluCounter, 14377 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7187 SdHoareTripleChecker+Valid, 21573 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:09:41,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7187 Valid, 21573 Invalid, 22 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:09:41,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2023-11-12 02:09:42,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4723. [2023-11-12 02:09:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4723 states, 3550 states have (on average 1.4490140845070423) internal successors, (5144), 3608 states have internal predecessors, (5144), 1019 states have call successors, (1019), 152 states have call predecessors, (1019), 151 states have return successors, (1016), 1002 states have call predecessors, (1016), 1016 states have call successors, (1016) [2023-11-12 02:09:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4723 states to 4723 states and 7179 transitions. [2023-11-12 02:09:42,399 INFO L78 Accepts]: Start accepts. Automaton has 4723 states and 7179 transitions. Word has length 48 [2023-11-12 02:09:42,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:42,400 INFO L495 AbstractCegarLoop]: Abstraction has 4723 states and 7179 transitions. [2023-11-12 02:09:42,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-12 02:09:42,401 INFO L276 IsEmpty]: Start isEmpty. Operand 4723 states and 7179 transitions. [2023-11-12 02:09:42,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-12 02:09:42,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:42,405 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:42,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:09:42,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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)] === [2023-11-12 02:09:42,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:42,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1815570731, now seen corresponding path program 1 times [2023-11-12 02:09:42,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:42,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146885135] [2023-11-12 02:09:42,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:42,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-12 02:09:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:09:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:09:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:09:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:09:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:09:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-12 02:09:43,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:43,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146885135] [2023-11-12 02:09:43,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146885135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:43,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:43,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:43,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567602202] [2023-11-12 02:09:43,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:43,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:09:43,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:43,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:43,564 INFO L87 Difference]: Start difference. First operand 4723 states and 7179 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-12 02:09:43,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:43,986 INFO L93 Difference]: Finished difference Result 4729 states and 7184 transitions. [2023-11-12 02:09:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:09:43,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2023-11-12 02:09:43,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:44,029 INFO L225 Difference]: With dead ends: 4729 [2023-11-12 02:09:44,029 INFO L226 Difference]: Without dead ends: 4727 [2023-11-12 02:09:44,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:09:44,035 INFO L413 NwaCegarLoop]: 7176 mSDtfsCounter, 7147 mSDsluCounter, 14331 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7158 SdHoareTripleChecker+Valid, 21507 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:09:44,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7158 Valid, 21507 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:09:44,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4727 states. [2023-11-12 02:09:44,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4727 to 4727. [2023-11-12 02:09:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4727 states, 3553 states have (on average 1.4486349563748944) internal successors, (5147), 3611 states have internal predecessors, (5147), 1019 states have call successors, (1019), 153 states have call predecessors, (1019), 152 states have return successors, (1016), 1002 states have call predecessors, (1016), 1016 states have call successors, (1016) [2023-11-12 02:09:44,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4727 states to 4727 states and 7182 transitions. [2023-11-12 02:09:44,394 INFO L78 Accepts]: Start accepts. Automaton has 4727 states and 7182 transitions. Word has length 53 [2023-11-12 02:09:44,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:44,395 INFO L495 AbstractCegarLoop]: Abstraction has 4727 states and 7182 transitions. [2023-11-12 02:09:44,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-12 02:09:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4727 states and 7182 transitions. [2023-11-12 02:09:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-12 02:09:44,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:44,406 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:44,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:09:44,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2023-11-12 02:09:44,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:44,407 INFO L85 PathProgramCache]: Analyzing trace with hash -67081233, now seen corresponding path program 1 times [2023-11-12 02:09:44,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:44,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641736659] [2023-11-12 02:09:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:44,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-12 02:09:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:09:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:09:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:09:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:09:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:09:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:09:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-12 02:09:45,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:45,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641736659] [2023-11-12 02:09:45,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641736659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:45,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:45,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:45,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140892895] [2023-11-12 02:09:45,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:45,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:09:45,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:45,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:45,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:45,400 INFO L87 Difference]: Start difference. First operand 4727 states and 7182 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 02:09:46,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:46,026 INFO L93 Difference]: Finished difference Result 4733 states and 7187 transitions. [2023-11-12 02:09:46,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:09:46,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2023-11-12 02:09:46,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:46,079 INFO L225 Difference]: With dead ends: 4733 [2023-11-12 02:09:46,079 INFO L226 Difference]: Without dead ends: 4731 [2023-11-12 02:09:46,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:09:46,089 INFO L413 NwaCegarLoop]: 7176 mSDtfsCounter, 7147 mSDsluCounter, 14331 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7157 SdHoareTripleChecker+Valid, 21507 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:09:46,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7157 Valid, 21507 Invalid, 22 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:09:46,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4731 states. [2023-11-12 02:09:46,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4731 to 4731. [2023-11-12 02:09:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4731 states, 3556 states have (on average 1.4482564679415073) internal successors, (5150), 3614 states have internal predecessors, (5150), 1019 states have call successors, (1019), 154 states have call predecessors, (1019), 153 states have return successors, (1016), 1002 states have call predecessors, (1016), 1016 states have call successors, (1016) [2023-11-12 02:09:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4731 states to 4731 states and 7185 transitions. [2023-11-12 02:09:46,439 INFO L78 Accepts]: Start accepts. Automaton has 4731 states and 7185 transitions. Word has length 58 [2023-11-12 02:09:46,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:46,440 INFO L495 AbstractCegarLoop]: Abstraction has 4731 states and 7185 transitions. [2023-11-12 02:09:46,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 02:09:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 4731 states and 7185 transitions. [2023-11-12 02:09:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-12 02:09:46,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:46,442 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:46,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:09:46,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2023-11-12 02:09:46,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:46,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1025454379, now seen corresponding path program 1 times [2023-11-12 02:09:46,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:46,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149806888] [2023-11-12 02:09:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:46,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-12 02:09:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:09:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:09:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:09:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:09:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:09:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:09:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:09:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-12 02:09:47,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:47,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149806888] [2023-11-12 02:09:47,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149806888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:47,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:47,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:47,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379745781] [2023-11-12 02:09:47,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:47,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:09:47,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:47,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:47,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:47,416 INFO L87 Difference]: Start difference. First operand 4731 states and 7185 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 02:09:47,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:47,832 INFO L93 Difference]: Finished difference Result 4737 states and 7190 transitions. [2023-11-12 02:09:47,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:09:47,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2023-11-12 02:09:47,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:47,874 INFO L225 Difference]: With dead ends: 4737 [2023-11-12 02:09:47,875 INFO L226 Difference]: Without dead ends: 4735 [2023-11-12 02:09:47,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:09:47,882 INFO L413 NwaCegarLoop]: 7176 mSDtfsCounter, 7147 mSDsluCounter, 14331 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7156 SdHoareTripleChecker+Valid, 21507 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:09:47,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7156 Valid, 21507 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:09:47,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4735 states. [2023-11-12 02:09:48,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4735 to 4735. [2023-11-12 02:09:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4735 states, 3559 states have (on average 1.4478786175892104) internal successors, (5153), 3617 states have internal predecessors, (5153), 1019 states have call successors, (1019), 155 states have call predecessors, (1019), 154 states have return successors, (1016), 1002 states have call predecessors, (1016), 1016 states have call successors, (1016) [2023-11-12 02:09:48,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4735 states and 7188 transitions. [2023-11-12 02:09:48,246 INFO L78 Accepts]: Start accepts. Automaton has 4735 states and 7188 transitions. Word has length 63 [2023-11-12 02:09:48,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:48,247 INFO L495 AbstractCegarLoop]: Abstraction has 4735 states and 7188 transitions. [2023-11-12 02:09:48,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 02:09:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 7188 transitions. [2023-11-12 02:09:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-12 02:09:48,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:48,251 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:48,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:09:48,251 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2023-11-12 02:09:48,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:48,252 INFO L85 PathProgramCache]: Analyzing trace with hash 193291119, now seen corresponding path program 1 times [2023-11-12 02:09:48,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:48,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53153787] [2023-11-12 02:09:48,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:48,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-12 02:09:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:09:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:09:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:09:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:09:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:09:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:09:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:09:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-12 02:09:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-12 02:09:49,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:49,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53153787] [2023-11-12 02:09:49,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53153787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:49,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:49,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:49,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129370732] [2023-11-12 02:09:49,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:49,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:09:49,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:49,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:49,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:49,181 INFO L87 Difference]: Start difference. First operand 4735 states and 7188 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)