./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/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_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB --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 0.3.0-dev-d790fec [2024-11-28 03:25:16,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:25:16,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:25:16,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:25:16,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:25:16,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:25:16,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:25:16,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:25:16,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:25:16,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:25:16,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:25:16,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:25:16,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:25:16,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:25:16,451 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:25:16,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:25:16,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:25:16,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:25:16,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:25:16,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:25:16,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:25:16,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:25:16,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:25:16,454 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:25:16,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:25:16,455 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:25:16,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:25:16,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:25:16,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:25:16,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:25:16,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:25:16,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:25:16,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:25:16,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:25:16,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:25:16,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:25:16,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:25:16,456 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:25:16,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:25:16,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:25:16,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:25:16,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:25:16,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:25:16,458 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:25:16,458 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:25:16,458 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 03:25:16,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:25:16,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:25:16,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:25:16,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:25:16,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:25:16,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-11-28 03:25:19,934 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/data/2e395058f/41f9f61d4a86498894e706ef3d720e66/FLAGb33407257 [2024-11-28 03:25:20,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:25:20,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-11-28 03:25:20,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/data/2e395058f/41f9f61d4a86498894e706ef3d720e66/FLAGb33407257 [2024-11-28 03:25:21,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/data/2e395058f/41f9f61d4a86498894e706ef3d720e66 [2024-11-28 03:25:21,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:25:21,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:25:21,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:25:21,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:25:21,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:25:21,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:21" (1/1) ... [2024-11-28 03:25:21,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a46a5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:21, skipping insertion in model container [2024-11-28 03:25:21,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:21" (1/1) ... [2024-11-28 03:25:21,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:25:23,410 WARN L250 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_66f89229-9289-400a-925a-1d382a111169/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] [2024-11-28 03:25:23,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:25:23,520 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:25:23,708 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] [2024-11-28 03:25:23,710 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] [2024-11-28 03:25:23,711 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] [2024-11-28 03:25:23,711 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] [2024-11-28 03:25:23,719 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] [2024-11-28 03:25:23,720 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] [2024-11-28 03:25:23,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2024-11-28 03:25:23,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2024-11-28 03:25:23,744 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] [2024-11-28 03:25:23,749 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] [2024-11-28 03:25:23,752 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] [2024-11-28 03:25:23,754 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] [2024-11-28 03:25:23,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2024-11-28 03:25:23,785 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] [2024-11-28 03:25:23,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2024-11-28 03:25:23,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2024-11-28 03:25:23,894 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2024-11-28 03:25:24,001 WARN L250 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_66f89229-9289-400a-925a-1d382a111169/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] [2024-11-28 03:25:24,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:25:24,192 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:25:24,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24 WrapperNode [2024-11-28 03:25:24,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:25:24,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:25:24,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:25:24,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:25:24,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:24,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:24,571 INFO L138 Inliner]: procedures = 265, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4297 [2024-11-28 03:25:24,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:25:24,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:25:24,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:25:24,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:25:24,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:24,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:24,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:25,274 INFO L175 MemorySlicer]: Split 762 memory accesses to 14 slices as follows [2, 8, 26, 638, 5, 5, 5, 3, 3, 8, 8, 43, 6, 2]. 84 percent of accesses are in the largest equivalence class. The 91 initializations are split as follows [2, 8, 26, 21, 5, 5, 5, 0, 3, 8, 8, 0, 0, 0]. The 315 writes are split as follows [0, 0, 0, 265, 0, 0, 0, 1, 0, 0, 0, 43, 5, 1]. [2024-11-28 03:25:25,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:25,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:25,472 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:25,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:25,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:25,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:25,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:25,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:25:25,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:25:25,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:25:25,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:25:25,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (1/1) ... [2024-11-28 03:25:25,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:25:25,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:25:25,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:25:25,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:25:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-11-28 03:25:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-11-28 03:25:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-11-28 03:25:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-11-28 03:25:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:25:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:25:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:25:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:25:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:25:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:25:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:25:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:25:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:25:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:25:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:25:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:25:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:25:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:25:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:25:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:25:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 03:25:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 03:25:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-28 03:25:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-28 03:25:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-11-28 03:25:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-11-28 03:25:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 03:25:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 03:25:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-11-28 03:25:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-11-28 03:25:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-28 03:25:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-28 03:25:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:25:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:25:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-28 03:25:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-28 03:25:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-28 03:25:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-28 03:25:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 03:25:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 03:25:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:25:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:25:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-28 03:25:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-11-28 03:25:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-28 03:25:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-28 03:25:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 03:25:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 03:25:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 03:25:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 03:25:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 03:25:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 03:25:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 03:25:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 03:25:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 03:25:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 03:25:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 03:25:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:25:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:25:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 03:25:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 03:25:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-28 03:25:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-28 03:25:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-28 03:25:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-28 03:25:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 03:25:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 03:25:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-11-28 03:25:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-11-28 03:25:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-11-28 03:25:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-11-28 03:25:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-28 03:25:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-28 03:25:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:25:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2024-11-28 03:25:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-28 03:25:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 03:25:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 03:25:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-28 03:25:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-28 03:25:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-28 03:25:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 03:25:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 03:25:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2024-11-28 03:25:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2024-11-28 03:25:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-28 03:25:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-28 03:25:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-11-28 03:25:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-11-28 03:25:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-28 03:25:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-28 03:25:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 03:25:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 03:25:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-28 03:25:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-28 03:25:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:25:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:25:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:25:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:25:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:25:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:25:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:25:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:25:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 03:25:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2024-11-28 03:25:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:25:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 03:25:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 03:25:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-11-28 03:25:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 03:25:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-11-28 03:25:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-28 03:25:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-28 03:25:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-28 03:25:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-28 03:25:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:25:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:25:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:25:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:25:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:25:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 03:25:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 03:25:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-28 03:25:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-28 03:25:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2024-11-28 03:25:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2024-11-28 03:25:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-28 03:25:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:25:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 03:25:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-11-28 03:25:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:25:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-11-28 03:25:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-11-28 03:25:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-28 03:25:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-11-28 03:25:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-28 03:25:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-28 03:25:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-28 03:25:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-28 03:25:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-28 03:25:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-28 03:25:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-11-28 03:25:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-11-28 03:25:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-28 03:25:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-28 03:25:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-11-28 03:25:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-11-28 03:25:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-11-28 03:25:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-11-28 03:25:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-11-28 03:25:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-11-28 03:25:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-28 03:25:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-28 03:25:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-28 03:25:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-28 03:25:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-11-28 03:25:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-11-28 03:25:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:25:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:25:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-11-28 03:25:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-11-28 03:25:26,791 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:25:26,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:25:27,060 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:25:41,541 INFO L? ?]: Removed 1803 outVars from TransFormulas that were not future-live. [2024-11-28 03:25:41,541 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:25:41,618 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:25:41,618 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:25:41,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:41 BoogieIcfgContainer [2024-11-28 03:25:41,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:25:41,621 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:25:41,621 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:25:41,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:25:41,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:25:21" (1/3) ... [2024-11-28 03:25:41,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e97e58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:25:41, skipping insertion in model container [2024-11-28 03:25:41,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:24" (2/3) ... [2024-11-28 03:25:41,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e97e58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:25:41, skipping insertion in model container [2024-11-28 03:25:41,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:41" (3/3) ... [2024-11-28 03:25:41,628 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-11-28 03:25:41,645 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:25:41,651 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i that has 97 procedures, 1969 locations, 1 initial locations, 14 loop locations, and 1 error locations. [2024-11-28 03:25:41,770 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:25:41,787 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;@77d1d421, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:25:41,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:25:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 1920 states, 1422 states have (on average 1.3565400843881856) internal successors, (1929), 1461 states have internal predecessors, (1929), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (405), 401 states have call predecessors, (405), 405 states have call successors, (405) [2024-11-28 03:25:41,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:25:41,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:25:41,839 INFO L218 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] [2024-11-28 03:25:41,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:25:41,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:25:41,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1831176750, now seen corresponding path program 1 times [2024-11-28 03:25:41,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:25:41,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263959181] [2024-11-28 03:25:41,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:41,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:25:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:25:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-28 03:25:47,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:25:47,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263959181] [2024-11-28 03:25:47,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263959181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:25:47,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659289375] [2024-11-28 03:25:47,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:47,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:47,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:25:47,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:25:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:25:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:25:52,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 2533 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:25:52,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:25:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:25:52,798 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:25:52,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659289375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:25:52,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:25:52,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:25:52,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147180214] [2024-11-28 03:25:52,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:25:52,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:25:52,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:25:52,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:25:52,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:25:52,842 INFO L87 Difference]: Start difference. First operand has 1920 states, 1422 states have (on average 1.3565400843881856) internal successors, (1929), 1461 states have internal predecessors, (1929), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (405), 401 states have call predecessors, (405), 405 states have call successors, (405) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:25:53,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:25:53,123 INFO L93 Difference]: Finished difference Result 3835 states and 5528 transitions. [2024-11-28 03:25:53,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:25:53,126 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-28 03:25:53,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:25:53,173 INFO L225 Difference]: With dead ends: 3835 [2024-11-28 03:25:53,173 INFO L226 Difference]: Without dead ends: 1896 [2024-11-28 03:25:53,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:25:53,199 INFO L435 NwaCegarLoop]: 2699 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2699 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:25:53,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2699 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:25:53,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2024-11-28 03:25:53,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1896. [2024-11-28 03:25:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1896 states, 1408 states have (on average 1.3167613636363635) internal successors, (1854), 1437 states have internal predecessors, (1854), 405 states have call successors, (405), 83 states have call predecessors, (405), 82 states have return successors, (404), 400 states have call predecessors, (404), 404 states have call successors, (404) [2024-11-28 03:25:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2663 transitions. [2024-11-28 03:25:53,484 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2663 transitions. Word has length 111 [2024-11-28 03:25:53,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:25:53,484 INFO L471 AbstractCegarLoop]: Abstraction has 1896 states and 2663 transitions. [2024-11-28 03:25:53,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:25:53,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2663 transitions. [2024-11-28 03:25:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:25:53,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:25:53,495 INFO L218 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] [2024-11-28 03:25:53,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:25:53,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:25:53,697 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:25:53,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:25:53,698 INFO L85 PathProgramCache]: Analyzing trace with hash 679469258, now seen corresponding path program 1 times [2024-11-28 03:25:53,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:25:53,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35396613] [2024-11-28 03:25:53,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:53,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:25:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:25:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:25:58,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:25:58,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35396613] [2024-11-28 03:25:58,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35396613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:25:58,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:25:58,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:25:58,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424514359] [2024-11-28 03:25:58,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:25:58,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:25:58,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:25:58,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:25:58,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:58,519 INFO L87 Difference]: Start difference. First operand 1896 states and 2663 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 03:25:58,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:25:58,761 INFO L93 Difference]: Finished difference Result 3747 states and 5262 transitions. [2024-11-28 03:25:58,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:25:58,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 111 [2024-11-28 03:25:58,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:25:58,782 INFO L225 Difference]: With dead ends: 3747 [2024-11-28 03:25:58,782 INFO L226 Difference]: Without dead ends: 1870 [2024-11-28 03:25:58,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:58,793 INFO L435 NwaCegarLoop]: 2621 mSDtfsCounter, 2613 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2613 SdHoareTripleChecker+Valid, 2621 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:25:58,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2613 Valid, 2621 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:25:58,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1870 states. [2024-11-28 03:25:58,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1870 to 1870. [2024-11-28 03:25:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1389 states have (on average 1.3138948884089272) internal successors, (1825), 1417 states have internal predecessors, (1825), 399 states have call successors, (399), 82 states have call predecessors, (399), 81 states have return successors, (398), 394 states have call predecessors, (398), 398 states have call successors, (398) [2024-11-28 03:25:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2622 transitions. [2024-11-28 03:25:58,964 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2622 transitions. Word has length 111 [2024-11-28 03:25:58,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:25:58,966 INFO L471 AbstractCegarLoop]: Abstraction has 1870 states and 2622 transitions. [2024-11-28 03:25:58,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 03:25:58,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2622 transitions. [2024-11-28 03:25:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:25:58,984 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:25:58,985 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:25:58,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:25:58,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:25:58,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:25:58,989 INFO L85 PathProgramCache]: Analyzing trace with hash 69006071, now seen corresponding path program 1 times [2024-11-28 03:25:58,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:25:58,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228168789] [2024-11-28 03:25:58,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:58,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:03,735 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 03:26:03,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:03,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228168789] [2024-11-28 03:26:03,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228168789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:03,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:03,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:03,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447132177] [2024-11-28 03:26:03,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:03,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:03,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:03,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:03,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:03,740 INFO L87 Difference]: Start difference. First operand 1870 states and 2622 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 03:26:03,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:03,951 INFO L93 Difference]: Finished difference Result 3581 states and 4998 transitions. [2024-11-28 03:26:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:03,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 140 [2024-11-28 03:26:03,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:03,968 INFO L225 Difference]: With dead ends: 3581 [2024-11-28 03:26:03,968 INFO L226 Difference]: Without dead ends: 1730 [2024-11-28 03:26:03,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:03,980 INFO L435 NwaCegarLoop]: 2398 mSDtfsCounter, 2392 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2392 SdHoareTripleChecker+Valid, 2398 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:03,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2392 Valid, 2398 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:26:03,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2024-11-28 03:26:04,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1730. [2024-11-28 03:26:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1730 states, 1283 states have (on average 1.3000779423226811) internal successors, (1668), 1305 states have internal predecessors, (1668), 366 states have call successors, (366), 81 states have call predecessors, (366), 80 states have return successors, (365), 361 states have call predecessors, (365), 365 states have call successors, (365) [2024-11-28 03:26:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2399 transitions. [2024-11-28 03:26:04,111 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2399 transitions. Word has length 140 [2024-11-28 03:26:04,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:04,112 INFO L471 AbstractCegarLoop]: Abstraction has 1730 states and 2399 transitions. [2024-11-28 03:26:04,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 03:26:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2399 transitions. [2024-11-28 03:26:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 03:26:04,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:04,122 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:04,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:26:04,123 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:04,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:04,124 INFO L85 PathProgramCache]: Analyzing trace with hash 2131721910, now seen corresponding path program 1 times [2024-11-28 03:26:04,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:04,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037148198] [2024-11-28 03:26:04,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:04,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-28 03:26:09,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:09,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037148198] [2024-11-28 03:26:09,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037148198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:09,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:09,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:09,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292684542] [2024-11-28 03:26:09,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:09,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:09,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:09,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:09,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:09,079 INFO L87 Difference]: Start difference. First operand 1730 states and 2399 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 03:26:09,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:09,890 INFO L93 Difference]: Finished difference Result 4693 states and 6483 transitions. [2024-11-28 03:26:09,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:09,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 143 [2024-11-28 03:26:09,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:09,918 INFO L225 Difference]: With dead ends: 4693 [2024-11-28 03:26:09,918 INFO L226 Difference]: Without dead ends: 2982 [2024-11-28 03:26:09,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:09,929 INFO L435 NwaCegarLoop]: 2457 mSDtfsCounter, 1721 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 4763 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:09,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1721 Valid, 4763 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:26:09,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2024-11-28 03:26:10,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2979. [2024-11-28 03:26:10,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2979 states, 2222 states have (on average 1.298829882988299) internal successors, (2886), 2261 states have internal predecessors, (2886), 610 states have call successors, (610), 147 states have call predecessors, (610), 146 states have return successors, (609), 601 states have call predecessors, (609), 609 states have call successors, (609) [2024-11-28 03:26:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 4105 transitions. [2024-11-28 03:26:10,168 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 4105 transitions. Word has length 143 [2024-11-28 03:26:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:10,168 INFO L471 AbstractCegarLoop]: Abstraction has 2979 states and 4105 transitions. [2024-11-28 03:26:10,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 03:26:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 4105 transitions. [2024-11-28 03:26:10,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-28 03:26:10,180 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:10,180 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:10,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:26:10,181 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:10,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:10,182 INFO L85 PathProgramCache]: Analyzing trace with hash -9022911, now seen corresponding path program 1 times [2024-11-28 03:26:10,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:10,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184559303] [2024-11-28 03:26:10,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:10,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-28 03:26:15,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:15,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184559303] [2024-11-28 03:26:15,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184559303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:15,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:15,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:15,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566451102] [2024-11-28 03:26:15,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:15,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:15,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:15,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:15,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:15,127 INFO L87 Difference]: Start difference. First operand 2979 states and 4105 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:26:15,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:15,364 INFO L93 Difference]: Finished difference Result 5400 states and 7454 transitions. [2024-11-28 03:26:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:15,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 212 [2024-11-28 03:26:15,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:15,385 INFO L225 Difference]: With dead ends: 5400 [2024-11-28 03:26:15,385 INFO L226 Difference]: Without dead ends: 2440 [2024-11-28 03:26:15,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:15,397 INFO L435 NwaCegarLoop]: 2192 mSDtfsCounter, 2184 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:15,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2184 Valid, 2192 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:26:15,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2024-11-28 03:26:15,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2440. [2024-11-28 03:26:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2440 states, 1829 states have (on average 1.2990705303444505) internal successors, (2376), 1854 states have internal predecessors, (2376), 498 states have call successors, (498), 113 states have call predecessors, (498), 112 states have return successors, (497), 489 states have call predecessors, (497), 497 states have call successors, (497) [2024-11-28 03:26:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3371 transitions. [2024-11-28 03:26:15,584 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3371 transitions. Word has length 212 [2024-11-28 03:26:15,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:15,584 INFO L471 AbstractCegarLoop]: Abstraction has 2440 states and 3371 transitions. [2024-11-28 03:26:15,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:26:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3371 transitions. [2024-11-28 03:26:15,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-28 03:26:15,595 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:15,596 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:15,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:26:15,596 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:15,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:15,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1629543003, now seen corresponding path program 1 times [2024-11-28 03:26:15,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:15,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230839954] [2024-11-28 03:26:15,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:15,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-11-28 03:26:21,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:21,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230839954] [2024-11-28 03:26:21,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230839954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:21,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:21,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:21,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877534830] [2024-11-28 03:26:21,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:21,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:21,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:21,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:21,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:21,148 INFO L87 Difference]: Start difference. First operand 2440 states and 3371 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 03:26:25,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:26:26,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:26,195 INFO L93 Difference]: Finished difference Result 5953 states and 8237 transitions. [2024-11-28 03:26:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:26,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 229 [2024-11-28 03:26:26,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:26,224 INFO L225 Difference]: With dead ends: 5953 [2024-11-28 03:26:26,224 INFO L226 Difference]: Without dead ends: 3532 [2024-11-28 03:26:26,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:26,235 INFO L435 NwaCegarLoop]: 3384 mSDtfsCounter, 1494 mSDsluCounter, 2099 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 5483 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:26,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 5483 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 03:26:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3532 states. [2024-11-28 03:26:26,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3532 to 3532. [2024-11-28 03:26:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3532 states, 2662 states have (on average 1.299023290758828) internal successors, (3458), 2696 states have internal predecessors, (3458), 705 states have call successors, (705), 165 states have call predecessors, (705), 164 states have return successors, (704), 692 states have call predecessors, (704), 704 states have call successors, (704) [2024-11-28 03:26:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 4867 transitions. [2024-11-28 03:26:26,488 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 4867 transitions. Word has length 229 [2024-11-28 03:26:26,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:26,489 INFO L471 AbstractCegarLoop]: Abstraction has 3532 states and 4867 transitions. [2024-11-28 03:26:26,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 03:26:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 4867 transitions. [2024-11-28 03:26:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-28 03:26:26,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:26,503 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:26,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:26:26,504 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:26,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:26,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1384044032, now seen corresponding path program 1 times [2024-11-28 03:26:26,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:26,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295647779] [2024-11-28 03:26:26,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:26,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-28 03:26:32,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:32,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295647779] [2024-11-28 03:26:32,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295647779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:32,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:32,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:32,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330155774] [2024-11-28 03:26:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:32,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:32,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:32,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:32,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:32,161 INFO L87 Difference]: Start difference. First operand 3532 states and 4867 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:26:32,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:32,352 INFO L93 Difference]: Finished difference Result 3536 states and 4871 transitions. [2024-11-28 03:26:32,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:32,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 251 [2024-11-28 03:26:32,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:32,377 INFO L225 Difference]: With dead ends: 3536 [2024-11-28 03:26:32,378 INFO L226 Difference]: Without dead ends: 3533 [2024-11-28 03:26:32,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:32,382 INFO L435 NwaCegarLoop]: 2192 mSDtfsCounter, 0 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4379 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:32,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4379 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:26:32,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3533 states. [2024-11-28 03:26:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3533 to 3533. [2024-11-28 03:26:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3533 states, 2663 states have (on average 1.2989110026286144) internal successors, (3459), 2697 states have internal predecessors, (3459), 705 states have call successors, (705), 165 states have call predecessors, (705), 164 states have return successors, (704), 692 states have call predecessors, (704), 704 states have call successors, (704) [2024-11-28 03:26:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 4868 transitions. [2024-11-28 03:26:32,613 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 4868 transitions. Word has length 251 [2024-11-28 03:26:32,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:32,614 INFO L471 AbstractCegarLoop]: Abstraction has 3533 states and 4868 transitions. [2024-11-28 03:26:32,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:26:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 4868 transitions. [2024-11-28 03:26:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-28 03:26:32,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:32,627 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:32,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:26:32,627 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:32,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:32,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1936416219, now seen corresponding path program 1 times [2024-11-28 03:26:32,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:32,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108583499] [2024-11-28 03:26:32,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:32,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-28 03:26:38,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:38,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108583499] [2024-11-28 03:26:38,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108583499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:38,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:38,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:26:38,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594117779] [2024-11-28 03:26:38,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:38,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:26:38,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:38,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:26:38,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:26:38,889 INFO L87 Difference]: Start difference. First operand 3533 states and 4868 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:26:39,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:39,342 INFO L93 Difference]: Finished difference Result 9262 states and 12766 transitions. [2024-11-28 03:26:39,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:26:39,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 253 [2024-11-28 03:26:39,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:39,390 INFO L225 Difference]: With dead ends: 9262 [2024-11-28 03:26:39,390 INFO L226 Difference]: Without dead ends: 5748 [2024-11-28 03:26:39,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:26:39,406 INFO L435 NwaCegarLoop]: 2287 mSDtfsCounter, 1487 mSDsluCounter, 4304 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 6591 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:39,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 6591 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:26:39,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5748 states. [2024-11-28 03:26:39,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5748 to 5614. [2024-11-28 03:26:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5614 states, 4218 states have (on average 1.2972972972972974) internal successors, (5472), 4289 states have internal predecessors, (5472), 1121 states have call successors, (1121), 282 states have call predecessors, (1121), 274 states have return successors, (1122), 1075 states have call predecessors, (1122), 1120 states have call successors, (1122) [2024-11-28 03:26:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5614 states to 5614 states and 7715 transitions. [2024-11-28 03:26:39,893 INFO L78 Accepts]: Start accepts. Automaton has 5614 states and 7715 transitions. Word has length 253 [2024-11-28 03:26:39,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:39,894 INFO L471 AbstractCegarLoop]: Abstraction has 5614 states and 7715 transitions. [2024-11-28 03:26:39,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:26:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 5614 states and 7715 transitions. [2024-11-28 03:26:39,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-28 03:26:39,909 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:39,910 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:39,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:26:39,910 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:39,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:39,911 INFO L85 PathProgramCache]: Analyzing trace with hash 886023912, now seen corresponding path program 1 times [2024-11-28 03:26:39,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:39,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093981362] [2024-11-28 03:26:39,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:39,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-28 03:26:45,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:45,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093981362] [2024-11-28 03:26:45,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093981362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:45,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:45,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:45,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587569733] [2024-11-28 03:26:45,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:45,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:45,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:45,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:45,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:45,191 INFO L87 Difference]: Start difference. First operand 5614 states and 7715 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:26:45,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:45,541 INFO L93 Difference]: Finished difference Result 11215 states and 15416 transitions. [2024-11-28 03:26:45,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:45,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 257 [2024-11-28 03:26:45,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:45,591 INFO L225 Difference]: With dead ends: 11215 [2024-11-28 03:26:45,592 INFO L226 Difference]: Without dead ends: 5620 [2024-11-28 03:26:45,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:45,614 INFO L435 NwaCegarLoop]: 2191 mSDtfsCounter, 1 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4378 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:45,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4378 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:26:45,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5620 states. [2024-11-28 03:26:45,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5620 to 5616. [2024-11-28 03:26:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5616 states, 4220 states have (on average 1.2971563981042653) internal successors, (5474), 4291 states have internal predecessors, (5474), 1121 states have call successors, (1121), 282 states have call predecessors, (1121), 274 states have return successors, (1122), 1075 states have call predecessors, (1122), 1120 states have call successors, (1122) [2024-11-28 03:26:45,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5616 states to 5616 states and 7717 transitions. [2024-11-28 03:26:45,987 INFO L78 Accepts]: Start accepts. Automaton has 5616 states and 7717 transitions. Word has length 257 [2024-11-28 03:26:45,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:45,987 INFO L471 AbstractCegarLoop]: Abstraction has 5616 states and 7717 transitions. [2024-11-28 03:26:45,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:26:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5616 states and 7717 transitions. [2024-11-28 03:26:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-28 03:26:46,004 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:46,004 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:46,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:26:46,004 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:46,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:46,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1635809868, now seen corresponding path program 1 times [2024-11-28 03:26:46,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:46,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279583057] [2024-11-28 03:26:46,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:46,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-28 03:26:51,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:51,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279583057] [2024-11-28 03:26:51,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279583057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:26:51,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995840596] [2024-11-28 03:26:51,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:51,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:51,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:51,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:26:51,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:26:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:57,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 3325 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:26:57,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:26:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2024-11-28 03:26:58,041 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:26:58,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995840596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:58,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:26:58,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-28 03:26:58,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671009441] [2024-11-28 03:26:58,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:58,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:26:58,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:58,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:26:58,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:26:58,044 INFO L87 Difference]: Start difference. First operand 5616 states and 7717 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 03:26:58,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:58,494 INFO L93 Difference]: Finished difference Result 9258 states and 12675 transitions. [2024-11-28 03:26:58,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:26:58,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 268 [2024-11-28 03:26:58,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:58,503 INFO L225 Difference]: With dead ends: 9258 [2024-11-28 03:26:58,504 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:26:58,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:26:58,535 INFO L435 NwaCegarLoop]: 2168 mSDtfsCounter, 69 mSDsluCounter, 4249 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 6417 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:58,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 6417 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:26:58,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:26:58,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:26:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:26:58,544 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 268 [2024-11-28 03:26:58,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:58,545 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:26:58,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 03:26:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:26:58,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:26:58,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:26:58,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:26:58,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:26:58,755 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:58,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:28:36,043 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:28:36,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:28:36 BoogieIcfgContainer [2024-11-28 03:28:36,066 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:28:36,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:28:36,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:28:36,067 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:28:36,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:41" (3/4) ... [2024-11-28 03:28:36,071 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __raw_spin_lock_init [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _dev_info [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kick_tx [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_pending_timer_3 [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_set_multicast [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_netdev [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __phys_addr [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_rx_kick [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_wake_queue [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_do_reset [2024-11-28 03:28:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure synchronize_irq [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure build_rx_desc [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rtnl_unlock [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmemcheck_mark_initialized [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_dma_mask [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_free_consistent [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_suitable_irq_1 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_map_single [2024-11-28 03:28:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_work_2 [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ip_hdr [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ethtool_cmd_speed_set [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_dma_direction [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_change_mtu [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irq [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#13 [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#12 [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_run_bist [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_stop_queue [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_alloc_consistent [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure debug_dma_unmap_page [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_update_stats [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PRIV [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_start_queue [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_rx_desc [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phy_intr [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-11-28 03:28:36,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_timer_3 [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irq [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_refill [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eth_mac_addr [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_dec [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure strlcpy [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_end_pointer [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eth_validate_addr [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mod_timer [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_unmap_single [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rx_irq [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure debug_dma_map_page [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_tx_done [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree_skb [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_disable_interrupts [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kick_rx [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_work_on [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fswab16 [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_frag_size [2024-11-28 03:28:36,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2024-11-28 03:28:36,084 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_get_tx_queue [2024-11-28 03:28:36,084 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2024-11-28 03:28:36,084 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_get_stats [2024-11-28 03:28:36,085 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-11-28 03:28:36,085 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_tx_timeout [2024-11-28 03:28:36,085 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rx_refill [2024-11-28 03:28:36,085 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_irq [2024-11-28 03:28:36,085 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ns83820_stop [2024-11-28 03:28:36,172 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 508 nodes and edges [2024-11-28 03:28:36,179 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 193 nodes and edges [2024-11-28 03:28:36,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-11-28 03:28:36,194 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 03:28:36,201 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 03:28:36,204 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:28:36,208 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:28:36,213 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:28:36,673 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:28:36,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:28:36,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:28:36,678 INFO L158 Benchmark]: Toolchain (without parser) took 195647.58ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 81.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 339.9MB. Max. memory is 16.1GB. [2024-11-28 03:28:36,678 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:28:36,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3161.70ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 80.9MB in the beginning and 102.7MB in the end (delta: -21.8MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2024-11-28 03:28:36,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 376.39ms. Allocated memory is still 184.5MB. Free memory was 102.7MB in the beginning and 76.3MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:28:36,681 INFO L158 Benchmark]: Boogie Preprocessor took 1076.84ms. Allocated memory is still 184.5MB. Free memory was 76.3MB in the beginning and 82.2MB in the end (delta: -5.8MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-28 03:28:36,681 INFO L158 Benchmark]: RCFGBuilder took 15968.62ms. Allocated memory was 184.5MB in the beginning and 335.5MB in the end (delta: 151.0MB). Free memory was 82.2MB in the beginning and 120.8MB in the end (delta: -38.7MB). Peak memory consumption was 191.8MB. Max. memory is 16.1GB. [2024-11-28 03:28:36,681 INFO L158 Benchmark]: TraceAbstraction took 174445.60ms. Allocated memory was 335.5MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 120.8MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-28 03:28:36,682 INFO L158 Benchmark]: Witness Printer took 609.81ms. Allocated memory is still 1.9GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 66.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-28 03:28:36,689 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3161.70ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 80.9MB in the beginning and 102.7MB in the end (delta: -21.8MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 376.39ms. Allocated memory is still 184.5MB. Free memory was 102.7MB in the beginning and 76.3MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1076.84ms. Allocated memory is still 184.5MB. Free memory was 76.3MB in the beginning and 82.2MB in the end (delta: -5.8MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * RCFGBuilder took 15968.62ms. Allocated memory was 184.5MB in the beginning and 335.5MB in the end (delta: 151.0MB). Free memory was 82.2MB in the beginning and 120.8MB in the end (delta: -38.7MB). Peak memory consumption was 191.8MB. Max. memory is 16.1GB. * TraceAbstraction took 174445.60ms. Allocated memory was 335.5MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 120.8MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 609.81ms. Allocated memory is still 1.9GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 66.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5575]: 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] - GenericResultAtLocation [Line: 5582]: 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] - GenericResultAtLocation [Line: 5590]: 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] - GenericResultAtLocation [Line: 5599]: 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] - GenericResultAtLocation [Line: 5732]: 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] - GenericResultAtLocation [Line: 5739]: 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] - GenericResultAtLocation [Line: 5838]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] - GenericResultAtLocation [Line: 5845]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] - GenericResultAtLocation [Line: 6002]: 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] - GenericResultAtLocation [Line: 6031]: 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] - GenericResultAtLocation [Line: 6066]: 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] - GenericResultAtLocation [Line: 6090]: 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] - GenericResultAtLocation [Line: 6453]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] - GenericResultAtLocation [Line: 6480]: 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] - GenericResultAtLocation [Line: 6844]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] - GenericResultAtLocation [Line: 6972]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] - GenericResultAtLocation [Line: 7405]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8974]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1969 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 77.0s, OverallIterations: 10, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 11962 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11961 mSDsluCounter, 41921 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17332 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186 IncrementalHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 24589 mSDtfsCounter, 186 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5616occurred in iteration=9, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 141 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2354 NumberOfCodeBlocks, 2354 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2342 ConstructedInterpolants, 0 QuantifiedInterpolants, 2692 SizeOfPredicates, 1 NumberOfNonLiveVariables, 5858 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 3220/3236 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7918]: Location Invariant Derived location invariant: ((((ldv_state_variable_2 == 0) && (ldv_spin == 0)) && (ldv_state_variable_1 == 0)) && (ldv_state_variable_3 == 0)) - InvariantResult [Line: 6704]: Location Invariant Derived location invariant: ((((ldv_state_variable_2 == 0) && (ldv_spin == 0)) && (ldv_state_variable_1 == 0)) && (ldv_state_variable_3 == 0)) - InvariantResult [Line: 7756]: Location Invariant Derived location invariant: ((((ldv_state_variable_2 == 0) && (ldv_spin == 0)) && (ldv_state_variable_1 == 0)) && (ldv_state_variable_3 == 0)) - InvariantResult [Line: 7600]: Location Invariant Derived location invariant: ((((ldv_state_variable_2 == 0) && (ldv_spin == 0)) && (ldv_state_variable_1 == 0)) && (ldv_state_variable_3 == 0)) - InvariantResult [Line: 6896]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 7152]: Location Invariant Derived location invariant: (((ldv_state_variable_2 == 0) && (ldv_state_variable_1 == 0)) && (ldv_state_variable_3 == 0)) - InvariantResult [Line: 7756]: Location Invariant Derived location invariant: ((((ldv_state_variable_2 == 0) && (ldv_spin == 0)) && (ldv_state_variable_1 == 0)) && (ldv_state_variable_3 == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-28 03:28:36,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f89229-9289-400a-925a-1d382a111169/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE