./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU --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 f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:22,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:22,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:05:22,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:22,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:22,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:22,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:22,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:22,860 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:05:22,860 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:05:22,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:22,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:22,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:22,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:22,868 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:22,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:22,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:22,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:05:22,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:22,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:22,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:22,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:22,873 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:22,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:22,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:22,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:22,875 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:22,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:05:22,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:22,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:22,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:22,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:22,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:22,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:05:22,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:05:22,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:22,880 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:22,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:22,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:22,881 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_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 [2024-10-31 22:05:23,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:23,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:23,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:23,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:23,308 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:23,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-10-31 22:05:25,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:26,023 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:26,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-10-31 22:05:26,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/data/93c382aa0/2de3c82c9ddd45d489acdae34e9c9fb3/FLAGbb8411c14 [2024-10-31 22:05:26,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/data/93c382aa0/2de3c82c9ddd45d489acdae34e9c9fb3 [2024-10-31 22:05:26,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:26,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:26,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:26,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:26,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:26,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:26" (1/1) ... [2024-10-31 22:05:26,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57105f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:26, skipping insertion in model container [2024-10-31 22:05:26,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:26" (1/1) ... [2024-10-31 22:05:26,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:28,775 WARN L251 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_f0d30950-6019-4295-a257-6a20c4bfbcdd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i[262495,262508] [2024-10-31 22:05:28,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:28,910 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:29,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5575] [2024-10-31 22:05:29,061 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)); [5582] [2024-10-31 22:05:29,062 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5590-5591] [2024-10-31 22:05:29,062 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5599-5600] [2024-10-31 22:05:29,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5732] [2024-10-31 22:05:29,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [5739] [2024-10-31 22:05:29,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2024-10-31 22:05:29,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2024-10-31 22:05:29,088 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)); [6002-6003] [2024-10-31 22:05:29,091 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)); [6031-6032] [2024-10-31 22:05:29,093 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" (84), "i" (12UL)); [6066-6067] [2024-10-31 22:05:29,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (96), "i" (12UL)); [6090-6091] [2024-10-31 22:05:29,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2024-10-31 22:05:29,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10706/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/natsemi/ns83820.c"), "i" (538), "i" (12UL)); [6480-6481] [2024-10-31 22:05:29,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2024-10-31 22:05:29,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2024-10-31 22:05:29,271 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2024-10-31 22:05:29,376 WARN L251 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_f0d30950-6019-4295-a257-6a20c4bfbcdd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i[262495,262508] [2024-10-31 22:05:29,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:29,556 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:29,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29 WrapperNode [2024-10-31 22:05:29,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:29,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:29,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:29,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:29,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:29,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:29,894 INFO L138 Inliner]: procedures = 265, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4355 [2024-10-31 22:05:29,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:29,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:29,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:29,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:29,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:29,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:29,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:30,858 INFO L175 MemorySlicer]: Split 762 memory accesses to 14 slices as follows [2, 8, 2, 26, 638, 5, 5, 5, 3, 3, 8, 8, 43, 6]. 84 percent of accesses are in the largest equivalence class. The 91 initializations are split as follows [2, 8, 0, 26, 21, 5, 5, 5, 3, 0, 8, 8, 0, 0]. The 315 writes are split as follows [0, 0, 1, 0, 265, 0, 0, 0, 0, 1, 0, 0, 43, 5]. [2024-10-31 22:05:30,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:30,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:30,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:31,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:31,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:31,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:31,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:31,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:31,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:31,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:31,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (1/1) ... [2024-10-31 22:05:31,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:31,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:31,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:31,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d30950-6019-4295-a257-6a20c4bfbcdd/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-10-31 22:05:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-10-31 22:05:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-10-31 22:05:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-10-31 22:05:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:05:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:05:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:05:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:05:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:05:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:05:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:05:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:05:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:05:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:05:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:05:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:05:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 22:05:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 22:05:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-31 22:05:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-31 22:05:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-31 22:05:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-31 22:05:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-31 22:05:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-31 22:05:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-10-31 22:05:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-10-31 22:05:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-31 22:05:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-31 22:05:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-10-31 22:05:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-10-31 22:05:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-31 22:05:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-31 22:05:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:05:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:05:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-10-31 22:05:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-10-31 22:05:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-31 22:05:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-31 22:05:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-31 22:05:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-31 22:05:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:05:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:05:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-31 22:05:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-31 22:05:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-10-31 22:05:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-10-31 22:05:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-10-31 22:05:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-10-31 22:05:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-10-31 22:05:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-10-31 22:05:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-31 22:05:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-31 22:05:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 22:05:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 22:05:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 22:05:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-31 22:05:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-31 22:05:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-31 22:05:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-31 22:05:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-31 22:05:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-31 22:05:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-31 22:05:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-31 22:05:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-31 22:05:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-31 22:05:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-31 22:05:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 22:05:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 22:05:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 22:05:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-31 22:05:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-31 22:05:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-31 22:05:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-31 22:05:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-31 22:05:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-31 22:05:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-31 22:05:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-31 22:05:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-31 22:05:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-31 22:05:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-31 22:05:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:05:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:05:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-31 22:05:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-31 22:05:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-31 22:05:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-31 22:05:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-31 22:05:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-31 22:05:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-31 22:05:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-31 22:05:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-10-31 22:05:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-10-31 22:05:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-10-31 22:05:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-10-31 22:05:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-31 22:05:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-31 22:05:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:05:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2024-10-31 22:05:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2024-10-31 22:05:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-10-31 22:05:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-10-31 22:05:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:05:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:05:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:05:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:05:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:05:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:05:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:05:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:05:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:05:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:05:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:05:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:05:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:05:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:05:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-31 22:05:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-31 22:05:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-31 22:05:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-31 22:05:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-31 22:05:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-31 22:05:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-31 22:05:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-31 22:05:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-31 22:05:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-31 22:05:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-31 22:05:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-31 22:05:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:05:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-31 22:05:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-31 22:05:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:05:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:05:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-10-31 22:05:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-10-31 22:05:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-10-31 22:05:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-10-31 22:05:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-31 22:05:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-31 22:05:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-31 22:05:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-31 22:05:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2024-10-31 22:05:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2024-10-31 22:05:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-31 22:05:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-31 22:05:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-10-31 22:05:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-10-31 22:05:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-10-31 22:05:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-10-31 22:05:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-31 22:05:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-31 22:05:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-31 22:05:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-31 22:05:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:05:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:05:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:05:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:05:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:05:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:05:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:05:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:05:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:05:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:05:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:05:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:05:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 22:05:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 22:05:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-31 22:05:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-31 22:05:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2024-10-31 22:05:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2024-10-31 22:05:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:05:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:05:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:05:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:05:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:05:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:05:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:05:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:05:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:05:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:05:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:05:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:05:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:05:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:05:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-31 22:05:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-31 22:05:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-31 22:05:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-31 22:05:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-10-31 22:05:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-10-31 22:05:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-31 22:05:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-31 22:05:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-10-31 22:05:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-10-31 22:05:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-10-31 22:05:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-10-31 22:05:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-31 22:05:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-31 22:05:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:05:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:05:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:05:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:05:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:05:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:05:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:05:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:05:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:05:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:05:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:05:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:05:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:05:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:05:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-31 22:05:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-31 22:05:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-10-31 22:05:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-10-31 22:05:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2024-10-31 22:05:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2024-10-31 22:05:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-31 22:05:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-31 22:05:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-31 22:05:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-31 22:05:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-31 22:05:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-31 22:05:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-10-31 22:05:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-10-31 22:05:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:05:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:05:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:05:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:05:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:05:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:05:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:05:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:05:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:05:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:05:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:05:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:05:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:05:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:05:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:05:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-10-31 22:05:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-10-31 22:05:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-10-31 22:05:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-10-31 22:05:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-31 22:05:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-31 22:05:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-10-31 22:05:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-10-31 22:05:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-31 22:05:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-31 22:05:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-31 22:05:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-31 22:05:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-31 22:05:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-31 22:05:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-31 22:05:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-31 22:05:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-10-31 22:05:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-10-31 22:05:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-31 22:05:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-31 22:05:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-10-31 22:05:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-10-31 22:05:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-10-31 22:05:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-10-31 22:05:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-10-31 22:05:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-10-31 22:05:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-31 22:05:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-31 22:05:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-10-31 22:05:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-10-31 22:05:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-31 22:05:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-31 22:05:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-31 22:05:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-31 22:05:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:05:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:05:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:05:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:05:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:05:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:05:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:05:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:05:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:05:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:05:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:05:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:05:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:05:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:05:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-10-31 22:05:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-10-31 22:05:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-10-31 22:05:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-10-31 22:05:32,206 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:32,210 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:32,410 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-31 22:05:46,989 INFO L? ?]: Removed 1807 outVars from TransFormulas that were not future-live. [2024-10-31 22:05:46,989 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:47,055 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:47,056 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:05:47,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:47 BoogieIcfgContainer [2024-10-31 22:05:47,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:47,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:47,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:47,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:47,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:26" (1/3) ... [2024-10-31 22:05:47,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1910536a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:47, skipping insertion in model container [2024-10-31 22:05:47,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:29" (2/3) ... [2024-10-31 22:05:47,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1910536a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:47, skipping insertion in model container [2024-10-31 22:05:47,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:47" (3/3) ... [2024-10-31 22:05:47,068 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-10-31 22:05:47,088 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:47,088 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:05:47,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:47,226 INFO L333 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, 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;@21cbfd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:47,228 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:05:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 1928 states, 1430 states have (on average 1.3545454545454545) internal successors, (1937), 1469 states have internal predecessors, (1937), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (405), 403 states have call predecessors, (405), 405 states have call successors, (405) [2024-10-31 22:05:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-31 22:05:47,265 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:47,266 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:47,267 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:47,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:47,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1620833443, now seen corresponding path program 1 times [2024-10-31 22:05:47,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:47,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053958107] [2024-10-31 22:05:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:47,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:05:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:05:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:05:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:05:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:05:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:05:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:05:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:05:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:05:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:05:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-31 22:05:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:05:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:05:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-31 22:05:53,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:53,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053958107] [2024-10-31 22:05:53,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053958107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:53,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:53,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:53,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474557511] [2024-10-31 22:05:53,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:53,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:05:53,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:53,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:05:53,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:53,455 INFO L87 Difference]: Start difference. First operand has 1928 states, 1430 states have (on average 1.3545454545454545) internal successors, (1937), 1469 states have internal predecessors, (1937), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (405), 403 states have call predecessors, (405), 405 states have call successors, (405) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)