./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC --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 4e65f97013924553b8ef825dcedf9cf23fb63bd29a8078af3e935196717fa388 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:07:09,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:07:09,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:07:09,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:07:09,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:07:09,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:07:09,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:07:09,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:07:09,716 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:07:09,716 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:07:09,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:07:09,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:07:09,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:07:09,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:07:09,717 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:07:09,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:07:09,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:07:09,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:07:09,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:07:09,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:07:09,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:07:09,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:07:09,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:07:09,719 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:07:09,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:07:09,719 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:07:09,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:07:09,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:07:09,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:07:09,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:07:09,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:07:09,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:07:09,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:07:09,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:07:09,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:07:09,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:07:09,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:07:09,722 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:07:09,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:07:09,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:07:09,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:07:09,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:07:09,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:07:09,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:07:09,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:07:09,723 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_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC 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 -> 4e65f97013924553b8ef825dcedf9cf23fb63bd29a8078af3e935196717fa388 [2024-11-23 23:07:10,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:07:10,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:07:10,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:07:10,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:07:10,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:07:10,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2024-11-23 23:07:13,117 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/data/33518c222/7a3ce75360ff49c2a68336e5ab919311/FLAG5e8f5ca05 [2024-11-23 23:07:13,994 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:07:13,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2024-11-23 23:07:14,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/data/33518c222/7a3ce75360ff49c2a68336e5ab919311/FLAG5e8f5ca05 [2024-11-23 23:07:14,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/data/33518c222/7a3ce75360ff49c2a68336e5ab919311 [2024-11-23 23:07:14,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:07:14,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:07:14,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:07:14,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:07:14,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:07:14,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:14" (1/1) ... [2024-11-23 23:07:14,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e7981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:14, skipping insertion in model container [2024-11-23 23:07:14,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:14" (1/1) ... [2024-11-23 23:07:14,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:07:15,971 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_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i[185756,185769] [2024-11-23 23:07:16,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:07:16,135 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:07:16,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2235-2236] [2024-11-23 23:07:16,233 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [2246-2247] [2024-11-23 23:07:16,237 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2250-2251] [2024-11-23 23:07:16,237 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2254-2255] [2024-11-23 23:07:16,237 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2258-2259] [2024-11-23 23:07:16,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3367] [2024-11-23 23:07:16,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4766] [2024-11-23 23:07:16,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4769] [2024-11-23 23:07:16,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4772] [2024-11-23 23:07:16,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4775] [2024-11-23 23:07:16,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4778] [2024-11-23 23:07:16,654 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_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i[185756,185769] [2024-11-23 23:07:16,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:07:16,870 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:07:16,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16 WrapperNode [2024-11-23 23:07:16,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:07:16,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:07:16,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:07:16,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:07:16,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:16,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:17,267 INFO L138 Inliner]: procedures = 286, calls = 2243, calls flagged for inlining = 113, calls inlined = 108, statements flattened = 6078 [2024-11-23 23:07:17,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:07:17,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:07:17,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:07:17,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:07:17,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:17,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:17,320 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:18,368 INFO L175 MemorySlicer]: Split 1068 memory accesses to 20 slices as follows [2, 3, 2, 13, 7, 42, 24, 17, 32, 4, 1, 7, 5, 2, 2, 14, 12, 1, 868, 10]. 81 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 10]. The 496 writes are split as follows [0, 0, 1, 3, 6, 42, 21, 3, 29, 3, 0, 0, 2, 1, 1, 1, 0, 0, 383, 0]. [2024-11-23 23:07:18,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:18,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:18,525 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:18,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:18,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:18,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:18,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:18,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:07:18,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:07:18,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:07:18,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:07:18,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (1/1) ... [2024-11-23 23:07:18,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:07:18,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:18,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:18,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:07:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2024-11-23 23:07:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2024-11-23 23:07:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2024-11-23 23:07:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2024-11-23 23:07:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2024-11-23 23:07:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2024-11-23 23:07:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2024-11-23 23:07:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2024-11-23 23:07:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 23:07:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 23:07:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 23:07:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 23:07:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 23:07:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 23:07:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 23:07:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 23:07:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 23:07:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 23:07:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 23:07:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2024-11-23 23:07:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2024-11-23 23:07:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 23:07:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 23:07:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 23:07:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2024-11-23 23:07:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2024-11-23 23:07:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2024-11-23 23:07:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2024-11-23 23:07:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2024-11-23 23:07:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2024-11-23 23:07:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-23 23:07:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-23 23:07:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_disable [2024-11-23 23:07:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_disable [2024-11-23 23:07:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:07:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:07:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2024-11-23 23:07:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2024-11-23 23:07:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-11-23 23:07:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-11-23 23:07:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2024-11-23 23:07:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2024-11-23 23:07:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2024-11-23 23:07:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2024-11-23 23:07:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-23 23:07:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-23 23:07:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2024-11-23 23:07:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 23:07:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:07:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-23 23:07:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-23 23:07:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-23 23:07:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-23 23:07:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-23 23:07:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-23 23:07:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-23 23:07:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-23 23:07:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-23 23:07:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-23 23:07:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-23 23:07:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-23 23:07:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-23 23:07:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-23 23:07:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-23 23:07:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-23 23:07:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-23 23:07:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-23 23:07:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-23 23:07:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-23 23:07:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-23 23:07:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-23 23:07:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-23 23:07:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_reset_function [2024-11-23 23:07:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_reset_function [2024-11-23 23:07:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-23 23:07:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-23 23:07:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2024-11-23 23:07:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2024-11-23 23:07:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-23 23:07:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-23 23:07:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-23 23:07:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-23 23:07:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2024-11-23 23:07:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2024-11-23 23:07:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-23 23:07:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-23 23:07:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2024-11-23 23:07:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2024-11-23 23:07:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_deactivate [2024-11-23 23:07:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_deactivate [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-23 23:07:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2024-11-23 23:07:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-23 23:07:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:07:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2024-11-23 23:07:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-23 23:07:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2024-11-23 23:07:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 23:07:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2024-11-23 23:07:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:07:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2024-11-23 23:07:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2024-11-23 23:07:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:07:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:07:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:07:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:07:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:07:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:07:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 23:07:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 23:07:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-23 23:07:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-11-23 23:07:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:07:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2024-11-23 23:07:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2024-11-23 23:07:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 23:07:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-23 23:07:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2024-11-23 23:07:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-23 23:07:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-23 23:07:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2024-11-23 23:07:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 23:07:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-23 23:07:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2024-11-23 23:07:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2024-11-23 23:07:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2024-11-23 23:07:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:07:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:07:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:07:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:07:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:07:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:07:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:07:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:07:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:07:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:07:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2024-11-23 23:07:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2024-11-23 23:07:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-23 23:07:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:07:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:07:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:07:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:07:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:07:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:07:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:07:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:07:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-23 23:07:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-23 23:07:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-23 23:07:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2024-11-23 23:07:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2024-11-23 23:07:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mem_readwrite [2024-11-23 23:07:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mem_readwrite [2024-11-23 23:07:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 23:07:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 23:07:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-11-23 23:07:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-11-23 23:07:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2024-11-23 23:07:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2024-11-23 23:07:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:07:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-23 23:07:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-23 23:07:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2024-11-23 23:07:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-23 23:07:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:07:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:07:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2024-11-23 23:07:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2024-11-23 23:07:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2024-11-23 23:07:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2024-11-23 23:07:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2024-11-23 23:07:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-23 23:07:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_exit [2024-11-23 23:07:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_exit [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2024-11-23 23:07:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2024-11-23 23:07:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2024-11-23 23:07:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:07:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:07:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:07:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:07:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:07:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 23:07:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 23:07:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-23 23:07:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-23 23:07:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-23 23:07:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-23 23:07:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2024-11-23 23:07:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2024-11-23 23:07:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-23 23:07:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-23 23:07:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2024-11-23 23:07:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2024-11-23 23:07:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_do_rw [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_do_rw [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-23 23:07:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-23 23:07:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_io_readwrite [2024-11-23 23:07:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_io_readwrite [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 23:07:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_load_and_free_saved_state [2024-11-23 23:07:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_load_and_free_saved_state [2024-11-23 23:07:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_config_readwrite [2024-11-23 23:07:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_config_readwrite [2024-11-23 23:07:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:07:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:07:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-23 23:07:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-23 23:07:20,307 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:07:20,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:07:22,191 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-23 23:07:22,661 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-1: assume #t~short198#1;havoc #t~mem192#1;havoc #t~mem193#1;havoc #t~mem194#1;havoc #t~mem196#1;havoc #t~mem195#1;havoc #t~mem197#1;havoc #t~short198#1;call #t~mem199#1 := read~int#18(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem201#1 := read~int#18(~pdev~2#1.base, 8 + (1242 + ~pdev~2#1.offset + 56 * (if #t~mem199#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem199#1 % 4294967296 % 18446744073709551616 else #t~mem199#1 % 4294967296 % 18446744073709551616 - 18446744073709551616)), 8);call #t~mem200#1 := read~int#18(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem202#1 := read~int#18(~pdev~2#1.base, 1242 + ~pdev~2#1.offset + 56 * (if #t~mem200#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem200#1 % 4294967296 % 18446744073709551616 else #t~mem200#1 % 4294967296 % 18446744073709551616 - 18446744073709551616), 8);call write~int#18(1 + (#t~mem201#1 - #t~mem202#1), ~#info___0~0#1.base, 16 + ~#info___0~0#1.offset, 8);havoc #t~mem199#1;havoc #t~mem201#1;havoc #t~mem200#1;havoc #t~mem202#1; [2024-11-23 23:07:22,661 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-1: assume !#t~short198#1;havoc #t~mem192#1;havoc #t~mem193#1;havoc #t~mem194#1;havoc #t~mem196#1;havoc #t~mem195#1;havoc #t~mem197#1;havoc #t~short198#1;call write~int#18(0, ~#info___0~0#1.base, 16 + ~#info___0~0#1.offset, 8); [2024-11-23 23:07:22,661 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-4: assume 0 == #t~mem203#1 % 18446744073709551616;havoc #t~mem203#1;call write~int#18(0, ~#info___0~0#1.base, 4 + ~#info___0~0#1.offset, 4); [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-4: assume !(0 == #t~mem203#1 % 18446744073709551616);havoc #t~mem203#1;call write~int#18(3, ~#info___0~0#1.base, 4 + ~#info___0~0#1.offset, 4);call #t~mem204#1 := read~int#18(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem205#1 := read~int#18(~pdev~2#1.base, 24 + (1242 + ~pdev~2#1.offset + 56 * (if #t~mem204#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem204#1 % 4294967296 % 18446744073709551616 else #t~mem204#1 % 4294967296 % 18446744073709551616 - 18446744073709551616)), 8); [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-3: call #t~mem203#1 := read~int#18(~#info___0~0#1.base, 16 + ~#info___0~0#1.offset, 8); [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-5: assume 0 == #t~mem205#1 % 18446744073709551616;#t~bitwise206#1 := 0; [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-5: assume !(0 == #t~mem205#1 % 18446744073709551616); [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-7: assume 512 == #t~mem205#1 % 18446744073709551616;#t~bitwise206#1 := #t~mem205#1; [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-7: assume !(512 == #t~mem205#1 % 18446744073709551616); [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-9: assume #t~short208#1;call #t~mem207#1 := read~int#18(~#info___0~0#1.base, 16 + ~#info___0~0#1.offset, 8);#t~short208#1 := #t~mem207#1 % 18446744073709551616 > 4095; [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-9: assume !#t~short208#1; [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-12: assume 0 == #t~mem209#1 % 4294967296 || 4 == #t~mem209#1 % 4294967296;#t~bitwise210#1 := 4; [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-12: assume !(0 == #t~mem209#1 % 4294967296 || 4 == #t~mem209#1 % 4294967296); [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-11: assume #t~short208#1;havoc #t~mem204#1;havoc #t~mem205#1;havoc #t~bitwise206#1;havoc #t~mem207#1;havoc #t~short208#1;call #t~mem209#1 := read~int#18(~#info___0~0#1.base, 4 + ~#info___0~0#1.offset, 4); [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-11: assume !#t~short208#1;havoc #t~mem204#1;havoc #t~mem205#1;havoc #t~bitwise206#1;havoc #t~mem207#1;havoc #t~short208#1; [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-14: assume false;#t~bitwise210#1 := #t~mem209#1; [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-14: assume !false; [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2765-1: #t~short208#1 := 0 != #t~bitwise206#1 % 18446744073709551616; [2024-11-23 23:07:22,662 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2765: havoc #t~bitwise206#1;assume #t~bitwise206#1 % 18446744073709551616 <= #t~mem205#1 % 18446744073709551616 && #t~bitwise206#1 % 18446744073709551616 <= 512; [2024-11-23 23:07:22,663 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2766: havoc #t~bitwise210#1;assume (#t~bitwise210#1 % 4294967296 >= #t~mem209#1 % 4294967296 && #t~bitwise210#1 % 4294967296 >= 4) && #t~bitwise210#1 % 4294967296 <= 4 + #t~mem209#1 % 4294967296; [2024-11-23 23:07:22,663 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2766-1: call write~int#18(#t~bitwise210#1, ~#info___0~0#1.base, 4 + ~#info___0~0#1.offset, 4);havoc #t~mem209#1;havoc #t~bitwise210#1; [2024-11-23 23:07:22,663 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume #t~short198#1; [2024-11-23 23:07:22,663 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !#t~short198#1;call #t~mem194#1 := read~int#18(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem196#1 := read~int#18(~pdev~2#1.base, 8 + (1242 + ~pdev~2#1.offset + 56 * (if #t~mem194#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem194#1 % 4294967296 % 18446744073709551616 else #t~mem194#1 % 4294967296 % 18446744073709551616 - 18446744073709551616)), 8);call #t~mem195#1 := read~int#18(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem197#1 := read~int#18(~pdev~2#1.base, 1242 + ~pdev~2#1.offset + 56 * (if #t~mem195#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem195#1 % 4294967296 % 18446744073709551616 else #t~mem195#1 % 4294967296 % 18446744073709551616 - 18446744073709551616), 8);#t~short198#1 := #t~mem196#1 % 18446744073709551616 != #t~mem197#1 % 18446744073709551616; [2024-11-23 23:07:35,989 INFO L? ?]: Removed 2919 outVars from TransFormulas that were not future-live. [2024-11-23 23:07:35,989 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:07:36,072 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:07:36,077 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:07:36,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:36 BoogieIcfgContainer [2024-11-23 23:07:36,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:07:36,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:07:36,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:07:36,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:07:36,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:07:14" (1/3) ... [2024-11-23 23:07:36,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728f5499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:36, skipping insertion in model container [2024-11-23 23:07:36,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:16" (2/3) ... [2024-11-23 23:07:36,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728f5499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:36, skipping insertion in model container [2024-11-23 23:07:36,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:36" (3/3) ... [2024-11-23 23:07:36,090 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2024-11-23 23:07:36,110 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:07:36,114 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i that has 136 procedures, 2356 locations, 1 initial locations, 60 loop locations, and 1 error locations. [2024-11-23 23:07:36,263 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:07:36,281 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;@42c8b31f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:07:36,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:07:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 2185 states, 1653 states have (on average 1.4295220810647309) internal successors, (2363), 1686 states have internal predecessors, (2363), 433 states have call successors, (433), 97 states have call predecessors, (433), 97 states have return successors, (433), 428 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-23 23:07:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 23:07:36,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:36,343 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:36,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:36,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:36,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1239460149, now seen corresponding path program 1 times [2024-11-23 23:07:36,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:36,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277986434] [2024-11-23 23:07:36,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:36,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:53,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:53,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277986434] [2024-11-23 23:07:53,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277986434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:53,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:53,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:53,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739203150] [2024-11-23 23:07:53,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:53,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:53,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:53,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:53,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:53,874 INFO L87 Difference]: Start difference. First operand has 2185 states, 1653 states have (on average 1.4295220810647309) internal successors, (2363), 1686 states have internal predecessors, (2363), 433 states have call successors, (433), 97 states have call predecessors, (433), 97 states have return successors, (433), 428 states have call predecessors, (433), 433 states have call successors, (433) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:07:54,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:54,644 INFO L93 Difference]: Finished difference Result 4632 states and 6930 transitions. [2024-11-23 23:07:54,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:54,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2024-11-23 23:07:54,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:54,704 INFO L225 Difference]: With dead ends: 4632 [2024-11-23 23:07:54,705 INFO L226 Difference]: Without dead ends: 2442 [2024-11-23 23:07:54,729 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 [2024-11-23 23:07:54,732 INFO L435 NwaCegarLoop]: 3213 mSDtfsCounter, 376 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 6395 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:54,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 6395 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:07:54,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2024-11-23 23:07:54,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2432. [2024-11-23 23:07:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2432 states, 1814 states have (on average 1.4145534729878722) internal successors, (2566), 1850 states have internal predecessors, (2566), 506 states have call successors, (506), 112 states have call predecessors, (506), 111 states have return successors, (501), 495 states have call predecessors, (501), 501 states have call successors, (501) [2024-11-23 23:07:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 3573 transitions. [2024-11-23 23:07:55,025 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 3573 transitions. Word has length 49 [2024-11-23 23:07:55,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:55,026 INFO L471 AbstractCegarLoop]: Abstraction has 2432 states and 3573 transitions. [2024-11-23 23:07:55,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:07:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3573 transitions. [2024-11-23 23:07:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 23:07:55,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:55,037 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:55,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:07:55,037 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:55,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:55,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1055847545, now seen corresponding path program 1 times [2024-11-23 23:07:55,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:55,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018759110] [2024-11-23 23:07:55,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:55,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:08:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-23 23:08:09,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:08:09,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018759110] [2024-11-23 23:08:09,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018759110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:08:09,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:08:09,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:08:09,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853897457] [2024-11-23 23:08:09,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:08:09,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:08:09,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:08:09,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:08:09,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:08:09,317 INFO L87 Difference]: Start difference. First operand 2432 states and 3573 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:08:13,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:08:14,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:08:14,197 INFO L93 Difference]: Finished difference Result 7025 states and 10298 transitions. [2024-11-23 23:08:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:08:14,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 121 [2024-11-23 23:08:14,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:08:14,236 INFO L225 Difference]: With dead ends: 7025 [2024-11-23 23:08:14,236 INFO L226 Difference]: Without dead ends: 4596 [2024-11-23 23:08:14,247 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 [2024-11-23 23:08:14,248 INFO L435 NwaCegarLoop]: 6054 mSDtfsCounter, 3180 mSDsluCounter, 3012 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3180 SdHoareTripleChecker+Valid, 9066 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:08:14,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3180 Valid, 9066 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-23 23:08:14,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4596 states. [2024-11-23 23:08:14,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4596 to 4592. [2024-11-23 23:08:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4592 states, 3465 states have (on average 1.4164502164502164) internal successors, (4908), 3528 states have internal predecessors, (4908), 908 states have call successors, (908), 219 states have call predecessors, (908), 218 states have return successors, (903), 892 states have call predecessors, (903), 903 states have call successors, (903) [2024-11-23 23:08:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 4592 states and 6719 transitions. [2024-11-23 23:08:14,526 INFO L78 Accepts]: Start accepts. Automaton has 4592 states and 6719 transitions. Word has length 121 [2024-11-23 23:08:14,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:08:14,527 INFO L471 AbstractCegarLoop]: Abstraction has 4592 states and 6719 transitions. [2024-11-23 23:08:14,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:08:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4592 states and 6719 transitions. [2024-11-23 23:08:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-23 23:08:14,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:08:14,542 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:08:14,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:08:14,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:08:14,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:08:14,543 INFO L85 PathProgramCache]: Analyzing trace with hash 476710916, now seen corresponding path program 1 times [2024-11-23 23:08:14,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:08:14,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581775843] [2024-11-23 23:08:14,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:14,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:08:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1627 trivial. 0 not checked. [2024-11-23 23:08:29,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:08:29,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581775843] [2024-11-23 23:08:29,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581775843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:08:29,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245707413] [2024-11-23 23:08:29,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:29,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:08:29,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:08:29,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:08:29,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:08:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:45,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 4801 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:08:45,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:08:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2024-11-23 23:08:45,229 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:08:45,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245707413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:08:45,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:08:45,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-23 23:08:45,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535186895] [2024-11-23 23:08:45,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:08:45,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:08:45,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:08:45,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:08:45,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:08:45,231 INFO L87 Difference]: Start difference. First operand 4592 states and 6719 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:08:45,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:08:45,491 INFO L93 Difference]: Finished difference Result 9184 states and 13457 transitions. [2024-11-23 23:08:45,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:08:45,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 348 [2024-11-23 23:08:45,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:08:45,526 INFO L225 Difference]: With dead ends: 9184 [2024-11-23 23:08:45,526 INFO L226 Difference]: Without dead ends: 4595 [2024-11-23 23:08:45,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:08:45,545 INFO L435 NwaCegarLoop]: 3207 mSDtfsCounter, 0 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6410 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:08:45,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6410 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:08:45,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4595 states. [2024-11-23 23:08:45,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4595 to 4595. [2024-11-23 23:08:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4595 states, 3468 states have (on average 1.416089965397924) internal successors, (4911), 3531 states have internal predecessors, (4911), 908 states have call successors, (908), 219 states have call predecessors, (908), 218 states have return successors, (903), 892 states have call predecessors, (903), 903 states have call successors, (903) [2024-11-23 23:08:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4595 states to 4595 states and 6722 transitions. [2024-11-23 23:08:45,771 INFO L78 Accepts]: Start accepts. Automaton has 4595 states and 6722 transitions. Word has length 348 [2024-11-23 23:08:45,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:08:45,772 INFO L471 AbstractCegarLoop]: Abstraction has 4595 states and 6722 transitions. [2024-11-23 23:08:45,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:08:45,773 INFO L276 IsEmpty]: Start isEmpty. Operand 4595 states and 6722 transitions. [2024-11-23 23:08:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-23 23:08:45,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:08:45,779 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:08:45,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:08:45,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:08:45,980 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:08:45,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:08:45,981 INFO L85 PathProgramCache]: Analyzing trace with hash -2068695166, now seen corresponding path program 1 times [2024-11-23 23:08:45,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:08:45,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428775405] [2024-11-23 23:08:45,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:45,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:08:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-23 23:09:00,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:00,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428775405] [2024-11-23 23:09:00,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428775405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:09:00,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370413636] [2024-11-23 23:09:00,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:00,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:09:00,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:09:00,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:09:00,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:09:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:16,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 4836 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:09:16,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:09:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-23 23:09:16,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:09:16,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370413636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:16,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:09:16,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:09:16,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612955137] [2024-11-23 23:09:16,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:16,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:16,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:16,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:16,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:09:16,694 INFO L87 Difference]: Start difference. First operand 4595 states and 6722 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:09:17,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:17,207 INFO L93 Difference]: Finished difference Result 4613 states and 6742 transitions. [2024-11-23 23:09:17,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:17,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 348 [2024-11-23 23:09:17,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:17,275 INFO L225 Difference]: With dead ends: 4613 [2024-11-23 23:09:17,275 INFO L226 Difference]: Without dead ends: 4604 [2024-11-23 23:09:17,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:09:17,282 INFO L435 NwaCegarLoop]: 3217 mSDtfsCounter, 3203 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3203 SdHoareTripleChecker+Valid, 3227 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:17,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3203 Valid, 3227 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:09:17,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4604 states. [2024-11-23 23:09:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4604 to 4595. [2024-11-23 23:09:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4595 states, 3468 states have (on average 1.4158016147635524) internal successors, (4910), 3531 states have internal predecessors, (4910), 908 states have call successors, (908), 219 states have call predecessors, (908), 218 states have return successors, (903), 892 states have call predecessors, (903), 903 states have call successors, (903) [2024-11-23 23:09:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4595 states to 4595 states and 6721 transitions. [2024-11-23 23:09:17,662 INFO L78 Accepts]: Start accepts. Automaton has 4595 states and 6721 transitions. Word has length 348 [2024-11-23 23:09:17,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:17,664 INFO L471 AbstractCegarLoop]: Abstraction has 4595 states and 6721 transitions. [2024-11-23 23:09:17,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:09:17,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4595 states and 6721 transitions. [2024-11-23 23:09:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-23 23:09:17,675 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:17,675 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:17,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:09:17,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-23 23:09:17,877 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:09:17,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash -2011436864, now seen corresponding path program 1 times [2024-11-23 23:09:17,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:09:17,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037808192] [2024-11-23 23:09:17,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:17,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:09:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-23 23:09:33,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:33,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037808192] [2024-11-23 23:09:33,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037808192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:09:33,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806027633] [2024-11-23 23:09:33,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:33,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:09:33,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:09:33,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:09:33,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:09:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:49,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 4829 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:09:49,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:09:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-23 23:09:54,914 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:09:54,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806027633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:54,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:09:54,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:09:54,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765686293] [2024-11-23 23:09:54,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:54,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:54,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:54,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:54,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:09:54,916 INFO L87 Difference]: Start difference. First operand 4595 states and 6721 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:09:58,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:09:59,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:59,682 INFO L93 Difference]: Finished difference Result 5891 states and 8523 transitions. [2024-11-23 23:09:59,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:59,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 348 [2024-11-23 23:09:59,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:59,721 INFO L225 Difference]: With dead ends: 5891 [2024-11-23 23:09:59,721 INFO L226 Difference]: Without dead ends: 5887 [2024-11-23 23:09:59,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:09:59,728 INFO L435 NwaCegarLoop]: 3204 mSDtfsCounter, 3100 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 4115 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:59,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 4115 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-23 23:09:59,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5887 states. [2024-11-23 23:09:59,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5887 to 5885. [2024-11-23 23:09:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5885 states, 4414 states have (on average 1.4034888989578613) internal successors, (6195), 4505 states have internal predecessors, (6195), 1162 states have call successors, (1162), 309 states have call predecessors, (1162), 308 states have return successors, (1159), 1142 states have call predecessors, (1159), 1159 states have call successors, (1159) [2024-11-23 23:10:00,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5885 states to 5885 states and 8516 transitions. [2024-11-23 23:10:00,025 INFO L78 Accepts]: Start accepts. Automaton has 5885 states and 8516 transitions. Word has length 348 [2024-11-23 23:10:00,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:10:00,026 INFO L471 AbstractCegarLoop]: Abstraction has 5885 states and 8516 transitions. [2024-11-23 23:10:00,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:10:00,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5885 states and 8516 transitions. [2024-11-23 23:10:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-23 23:10:00,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:10:00,034 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:10:00,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:10:00,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:10:00,235 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:10:00,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:10:00,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2069251489, now seen corresponding path program 1 times [2024-11-23 23:10:00,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:10:00,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041105067] [2024-11-23 23:10:00,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:10:00,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:10:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:10:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-23 23:10:15,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:10:15,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041105067] [2024-11-23 23:10:15,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041105067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:10:15,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601185656] [2024-11-23 23:10:15,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:10:15,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:10:15,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:10:15,196 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:10:15,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:10:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:10:30,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 4831 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:10:30,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:10:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-23 23:10:36,360 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:10:36,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601185656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:10:36,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:10:36,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:10:36,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782005558] [2024-11-23 23:10:36,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:10:36,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:10:36,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:10:36,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:10:36,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:10:36,362 INFO L87 Difference]: Start difference. First operand 5885 states and 8516 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:10:40,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:10:41,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:10:41,072 INFO L93 Difference]: Finished difference Result 5887 states and 8517 transitions. [2024-11-23 23:10:41,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:10:41,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 349 [2024-11-23 23:10:41,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:10:41,126 INFO L225 Difference]: With dead ends: 5887 [2024-11-23 23:10:41,126 INFO L226 Difference]: Without dead ends: 5884 [2024-11-23 23:10:41,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:10:41,132 INFO L435 NwaCegarLoop]: 3201 mSDtfsCounter, 3111 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 3201 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:10:41,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3111 Valid, 3201 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 23:10:41,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2024-11-23 23:10:41,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 5884. [2024-11-23 23:10:41,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5884 states, 4414 states have (on average 1.4032623470774808) internal successors, (6194), 4504 states have internal predecessors, (6194), 1161 states have call successors, (1161), 309 states have call predecessors, (1161), 308 states have return successors, (1159), 1142 states have call predecessors, (1159), 1159 states have call successors, (1159) [2024-11-23 23:10:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5884 states to 5884 states and 8514 transitions. [2024-11-23 23:10:41,435 INFO L78 Accepts]: Start accepts. Automaton has 5884 states and 8514 transitions. Word has length 349 [2024-11-23 23:10:41,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:10:41,438 INFO L471 AbstractCegarLoop]: Abstraction has 5884 states and 8514 transitions. [2024-11-23 23:10:41,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:10:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 5884 states and 8514 transitions. [2024-11-23 23:10:41,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-23 23:10:41,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:10:41,445 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:10:41,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:10:41,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-23 23:10:41,646 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:10:41,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:10:41,647 INFO L85 PathProgramCache]: Analyzing trace with hash -278423581, now seen corresponding path program 1 times [2024-11-23 23:10:41,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:10:41,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609861480] [2024-11-23 23:10:41,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:10:41,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:10:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:10:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-23 23:10:55,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:10:55,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609861480] [2024-11-23 23:10:55,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609861480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:10:55,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884377133] [2024-11-23 23:10:55,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:10:55,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:10:55,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:10:55,664 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:10:55,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:11:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:11:11,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 4833 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:11:11,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:11:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-23 23:11:17,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:11:17,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884377133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:11:17,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:11:17,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:11:17,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500936822] [2024-11-23 23:11:17,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:11:17,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:11:17,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:11:17,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:11:17,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:11:17,412 INFO L87 Difference]: Start difference. First operand 5884 states and 8514 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:11:21,477 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 [] [2024-11-23 23:11:21,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:11:21,754 INFO L93 Difference]: Finished difference Result 5886 states and 8515 transitions. [2024-11-23 23:11:22,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:11:22,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 350 [2024-11-23 23:11:22,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:11:22,212 INFO L225 Difference]: With dead ends: 5886 [2024-11-23 23:11:22,213 INFO L226 Difference]: Without dead ends: 5839 [2024-11-23 23:11:22,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:11:22,219 INFO L435 NwaCegarLoop]: 3200 mSDtfsCounter, 3108 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 3200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:11:22,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3108 Valid, 3200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 23:11:22,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5839 states. [2024-11-23 23:11:22,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5839 to 5839. [2024-11-23 23:11:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5839 states, 4395 states have (on average 1.4040955631399317) internal successors, (6171), 4483 states have internal predecessors, (6171), 1140 states have call successors, (1140), 304 states have call predecessors, (1140), 303 states have return successors, (1139), 1123 states have call predecessors, (1139), 1139 states have call successors, (1139) [2024-11-23 23:11:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 8450 transitions. [2024-11-23 23:11:22,532 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 8450 transitions. Word has length 350 [2024-11-23 23:11:22,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:11:22,535 INFO L471 AbstractCegarLoop]: Abstraction has 5839 states and 8450 transitions. [2024-11-23 23:11:22,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:11:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 8450 transitions. [2024-11-23 23:11:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-23 23:11:22,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:11:22,551 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:11:22,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 23:11:22,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:11:22,752 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:11:22,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:11:22,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1136606144, now seen corresponding path program 1 times [2024-11-23 23:11:22,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:11:22,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611696934] [2024-11-23 23:11:22,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:11:22,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:11:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:11:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-23 23:11:36,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:11:36,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611696934] [2024-11-23 23:11:36,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611696934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:11:36,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387423843] [2024-11-23 23:11:36,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:11:36,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:11:36,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:11:36,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:11:36,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:11:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:11:52,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 5215 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:11:52,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:11:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1648 trivial. 0 not checked. [2024-11-23 23:11:53,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:11:53,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387423843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:11:53,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:11:53,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:11:53,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758891647] [2024-11-23 23:11:53,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:11:53,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:11:53,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:11:53,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:11:53,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:11:53,168 INFO L87 Difference]: Start difference. First operand 5839 states and 8450 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:11:53,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:11:53,496 INFO L93 Difference]: Finished difference Result 11677 states and 16905 transitions. [2024-11-23 23:11:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:11:53,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 408 [2024-11-23 23:11:53,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:11:53,530 INFO L225 Difference]: With dead ends: 11677 [2024-11-23 23:11:53,530 INFO L226 Difference]: Without dead ends: 5841 [2024-11-23 23:11:53,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:11:53,555 INFO L435 NwaCegarLoop]: 3188 mSDtfsCounter, 0 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6372 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:11:53,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6372 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:11:53,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5841 states. [2024-11-23 23:11:53,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5841 to 5841. [2024-11-23 23:11:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5841 states, 4397 states have (on average 1.4039117580168297) internal successors, (6173), 4485 states have internal predecessors, (6173), 1140 states have call successors, (1140), 304 states have call predecessors, (1140), 303 states have return successors, (1139), 1123 states have call predecessors, (1139), 1139 states have call successors, (1139) [2024-11-23 23:11:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5841 states to 5841 states and 8452 transitions. [2024-11-23 23:11:53,873 INFO L78 Accepts]: Start accepts. Automaton has 5841 states and 8452 transitions. Word has length 408 [2024-11-23 23:11:53,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:11:53,875 INFO L471 AbstractCegarLoop]: Abstraction has 5841 states and 8452 transitions. [2024-11-23 23:11:53,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:11:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5841 states and 8452 transitions. [2024-11-23 23:11:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-23 23:11:53,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:11:53,891 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:11:53,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 23:11:54,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:11:54,093 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:11:54,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:11:54,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1916241708, now seen corresponding path program 1 times [2024-11-23 23:11:54,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:11:54,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929559711] [2024-11-23 23:11:54,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:11:54,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:12:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:08,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-23 23:12:08,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:12:08,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929559711] [2024-11-23 23:12:08,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929559711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:12:08,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862015683] [2024-11-23 23:12:08,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:08,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:08,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:12:08,893 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:12:08,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 23:12:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:25,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 5219 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:12:25,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:12:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-23 23:12:25,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:12:25,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862015683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:12:25,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:12:25,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:12:25,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889955517] [2024-11-23 23:12:25,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:12:25,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:12:25,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:12:25,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:12:25,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:12:25,729 INFO L87 Difference]: Start difference. First operand 5841 states and 8452 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:12:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:12:26,384 INFO L93 Difference]: Finished difference Result 13911 states and 19988 transitions. [2024-11-23 23:12:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:12:26,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 409 [2024-11-23 23:12:26,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:12:26,442 INFO L225 Difference]: With dead ends: 13911 [2024-11-23 23:12:26,443 INFO L226 Difference]: Without dead ends: 8073 [2024-11-23 23:12:26,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:12:26,467 INFO L435 NwaCegarLoop]: 3962 mSDtfsCounter, 2131 mSDsluCounter, 2519 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2131 SdHoareTripleChecker+Valid, 6481 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:12:26,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2131 Valid, 6481 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:12:26,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8073 states. [2024-11-23 23:12:26,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8073 to 8070. [2024-11-23 23:12:26,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8070 states, 6045 states have (on average 1.392886683209264) internal successors, (8420), 6169 states have internal predecessors, (8420), 1554 states have call successors, (1554), 471 states have call predecessors, (1554), 470 states have return successors, (1553), 1531 states have call predecessors, (1553), 1553 states have call successors, (1553) [2024-11-23 23:12:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8070 states to 8070 states and 11527 transitions. [2024-11-23 23:12:26,874 INFO L78 Accepts]: Start accepts. Automaton has 8070 states and 11527 transitions. Word has length 409 [2024-11-23 23:12:26,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:12:26,875 INFO L471 AbstractCegarLoop]: Abstraction has 8070 states and 11527 transitions. [2024-11-23 23:12:26,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:12:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 8070 states and 11527 transitions. [2024-11-23 23:12:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-23 23:12:26,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:12:26,966 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:12:26,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-23 23:12:27,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:27,167 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:12:27,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:12:27,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1277154754, now seen corresponding path program 1 times [2024-11-23 23:12:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:12:27,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278002113] [2024-11-23 23:12:27,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:12:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-23 23:12:41,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:12:41,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278002113] [2024-11-23 23:12:41,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278002113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:12:41,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251690928] [2024-11-23 23:12:41,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:41,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:41,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:12:41,975 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:12:41,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 23:12:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:58,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 5218 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:12:58,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:12:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1648 trivial. 0 not checked. [2024-11-23 23:12:58,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:12:58,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251690928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:12:58,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:12:58,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-23 23:12:58,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309555742] [2024-11-23 23:12:58,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:12:58,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:12:58,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:12:58,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:12:58,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:12:58,599 INFO L87 Difference]: Start difference. First operand 8070 states and 11527 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:12:59,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:12:59,191 INFO L93 Difference]: Finished difference Result 16145 states and 23067 transitions. [2024-11-23 23:12:59,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:12:59,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 408 [2024-11-23 23:12:59,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:12:59,231 INFO L225 Difference]: With dead ends: 16145 [2024-11-23 23:12:59,231 INFO L226 Difference]: Without dead ends: 8078 [2024-11-23 23:12:59,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:12:59,254 INFO L435 NwaCegarLoop]: 3186 mSDtfsCounter, 1 mSDsluCounter, 6366 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9552 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:12:59,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9552 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:12:59,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8078 states. [2024-11-23 23:12:59,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8078 to 8078. [2024-11-23 23:12:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8078 states, 6053 states have (on average 1.3923674211134975) internal successors, (8428), 6177 states have internal predecessors, (8428), 1554 states have call successors, (1554), 471 states have call predecessors, (1554), 470 states have return successors, (1553), 1531 states have call predecessors, (1553), 1553 states have call successors, (1553) [2024-11-23 23:12:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8078 states to 8078 states and 11535 transitions. [2024-11-23 23:12:59,610 INFO L78 Accepts]: Start accepts. Automaton has 8078 states and 11535 transitions. Word has length 408 [2024-11-23 23:12:59,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:12:59,611 INFO L471 AbstractCegarLoop]: Abstraction has 8078 states and 11535 transitions. [2024-11-23 23:12:59,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:12:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 8078 states and 11535 transitions. [2024-11-23 23:12:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-23 23:12:59,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:12:59,622 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:12:59,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 23:12:59,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 23:12:59,823 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:12:59,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:12:59,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1094584508, now seen corresponding path program 1 times [2024-11-23 23:12:59,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:12:59,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544207872] [2024-11-23 23:12:59,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-23 23:13:13,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:13,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544207872] [2024-11-23 23:13:13,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544207872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:13:13,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72213254] [2024-11-23 23:13:13,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:13,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:13,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:13,846 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:13:13,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 23:13:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:31,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 5221 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:13:31,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1648 trivial. 0 not checked. [2024-11-23 23:13:31,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:13:31,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72213254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:31,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:13:31,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:13:31,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155906494] [2024-11-23 23:13:31,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:31,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:13:31,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:31,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:13:31,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:13:31,580 INFO L87 Difference]: Start difference. First operand 8078 states and 11535 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:13:35,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:13:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:36,315 INFO L93 Difference]: Finished difference Result 8078 states and 11535 transitions. [2024-11-23 23:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:13:36,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 408 [2024-11-23 23:13:36,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:36,324 INFO L225 Difference]: With dead ends: 8078 [2024-11-23 23:13:36,324 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:13:36,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:13:36,346 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 894 mSDsluCounter, 3171 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 7254 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:36,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 7254 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 23:13:36,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:13:36,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:13:36,347 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) [2024-11-23 23:13:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:13:36,355 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 408 [2024-11-23 23:13:36,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:36,355 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:13:36,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:13:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:13:36,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:13:36,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:13:36,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 23:13:36,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:36,568 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:13:36,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:21:23,272 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:21:23,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:21:23 BoogieIcfgContainer [2024-11-23 23:21:23,315 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:21:23,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:21:23,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:21:23,316 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:21:23,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:36" (3/4) ... [2024-11-23 23:21:23,321 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:21:23,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-11-23 23:21:23,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_perm_bits [2024-11-23 23:21:23,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-11-23 23:21:23,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iommu_group_put [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_intx_disable [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#19 [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_find_cap_start [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#18 [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#17 [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_user_write_config_word [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-11-23 23:21:23,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-11-23 23:21:23,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-11-23 23:21:23,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_request_selected_regions [2024-11-23 23:21:23,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_intx_unmask_handler [2024-11-23 23:21:23,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_intx [2024-11-23 23:21:23,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_perm_bits [2024-11-23 23:21:23,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure p_setb [2024-11-23 23:21:23,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_ioctl [2024-11-23 23:21:23,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_irq [2024-11-23 23:21:23,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure virqfd_disable [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eventfd_ctx_fdget [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_user_read_config_word [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_mem_readwrite [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_byte [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure p_setd [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_word [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-11-23 23:21:23,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iomap [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_uninit_perm_bits [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure p_setw [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 23:21:23,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-23 23:21:23,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-23 23:21:23,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eventfd_ctx_put [2024-11-23 23:21:23,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-23 23:21:23,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-23 23:21:23,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-23 23:21:23,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-11-23 23:21:23,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-23 23:21:23,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-23 23:21:23,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irq [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#18 [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite16 [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#17 [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#16 [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#15 [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#14 [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#13 [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_default_config_write [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#12 [2024-11-23 23:21:23,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite8 [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_reset_function [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#19 [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread32 [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_send_intx_eventfd [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcibios_err_to_errno [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_name [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-23 23:21:23,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-23 23:21:23,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-23 23:21:23,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-23 23:21:23,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-23 23:21:23,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-23 23:21:23,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_probe [2024-11-23 23:21:23,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_msi_set_block [2024-11-23 23:21:23,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-23 23:21:23,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_user_config_read [2024-11-23 23:21:23,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_default_config_read [2024-11-23 23:21:23,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-23 23:21:23,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_virqfd_exit [2024-11-23 23:21:23,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_intx_unmask [2024-11-23 23:21:23,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_user_write_config_dword [2024-11-23 23:21:23,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-23 23:21:23,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eventfd_signal [2024-11-23 23:21:23,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_unmap_rom [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure virqfd_deactivate [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_dword [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread16 [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_get_irq_count [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kasprintf [2024-11-23 23:21:23,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure module_put [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_irq_nosync [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite32 [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_intx_mask [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_set_irqs_ioctl [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread8 [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_config_do_rw [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_fill_vconfig_bytes [2024-11-23 23:21:23,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_msi_disable [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure schedule_work [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_mmap [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_intx_set_signal [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_work [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_write_config_word [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_msi_set_vector_signal [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_user_config_write [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fput [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_release_selected_regions [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_name [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_io_readwrite [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockdep_init_map [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_load_and_free_saved_state [2024-11-23 23:21:23,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_config_readwrite [2024-11-23 23:21:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_find_capability [2024-11-23 23:21:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-11-23 23:21:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_save_state [2024-11-23 23:21:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_map_rom [2024-11-23 23:21:23,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-23 23:21:23,444 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 894 nodes and edges [2024-11-23 23:21:23,455 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 275 nodes and edges [2024-11-23 23:21:23,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2024-11-23 23:21:23,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-11-23 23:21:23,487 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-23 23:21:23,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:21:23,549 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) && (\old(ldv_mutex_igate_of_vfio_pci_device) == 1)) [2024-11-23 23:21:23,888 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) && (\old(ldv_mutex_igate_of_vfio_pci_device) == 1)) [2024-11-23 23:21:23,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:21:23,964 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:21:23,965 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:21:23,966 INFO L158 Benchmark]: Toolchain (without parser) took 849893.20ms. Allocated memory was 117.4MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 84.8MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-23 23:21:23,966 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:21:23,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2796.32ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 84.5MB in the beginning and 225.6MB in the end (delta: -141.1MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2024-11-23 23:21:23,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 395.66ms. Allocated memory is still 352.3MB. Free memory was 225.6MB in the beginning and 189.8MB in the end (delta: 35.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-23 23:21:23,967 INFO L158 Benchmark]: Boogie Preprocessor took 1430.49ms. Allocated memory is still 352.3MB. Free memory was 189.8MB in the beginning and 142.0MB in the end (delta: 47.8MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. [2024-11-23 23:21:23,967 INFO L158 Benchmark]: RCFGBuilder took 17376.15ms. Allocated memory was 352.3MB in the beginning and 620.8MB in the end (delta: 268.4MB). Free memory was 142.0MB in the beginning and 377.4MB in the end (delta: -235.4MB). Peak memory consumption was 277.8MB. Max. memory is 16.1GB. [2024-11-23 23:21:23,967 INFO L158 Benchmark]: TraceAbstraction took 827235.56ms. Allocated memory was 620.8MB in the beginning and 3.5GB in the end (delta: 2.9GB). Free memory was 377.4MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-23 23:21:23,967 INFO L158 Benchmark]: Witness Printer took 648.96ms. Allocated memory is still 3.5GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 92.0MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2024-11-23 23:21:23,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2796.32ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 84.5MB in the beginning and 225.6MB in the end (delta: -141.1MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 395.66ms. Allocated memory is still 352.3MB. Free memory was 225.6MB in the beginning and 189.8MB in the end (delta: 35.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1430.49ms. Allocated memory is still 352.3MB. Free memory was 189.8MB in the beginning and 142.0MB in the end (delta: 47.8MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. * RCFGBuilder took 17376.15ms. Allocated memory was 352.3MB in the beginning and 620.8MB in the end (delta: 268.4MB). Free memory was 142.0MB in the beginning and 377.4MB in the end (delta: -235.4MB). Peak memory consumption was 277.8MB. Max. memory is 16.1GB. * TraceAbstraction took 827235.56ms. Allocated memory was 620.8MB in the beginning and 3.5GB in the end (delta: 2.9GB). Free memory was 377.4MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Witness Printer took 648.96ms. Allocated memory is still 3.5GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 92.0MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2235]: 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; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2235-2236] - GenericResultAtLocation [Line: 2246]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [2246-2247] - GenericResultAtLocation [Line: 2250]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2250-2251] - GenericResultAtLocation [Line: 2254]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2254-2255] - GenericResultAtLocation [Line: 2258]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2258-2259] - GenericResultAtLocation [Line: 3367]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3367] - GenericResultAtLocation [Line: 4766]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4766] - GenericResultAtLocation [Line: 4769]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4769] - GenericResultAtLocation [Line: 4772]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4772] - GenericResultAtLocation [Line: 4775]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4775] - GenericResultAtLocation [Line: 4778]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4778] * 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: 6583]: 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 136 procedures, 2356 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 360.4s, OverallIterations: 11, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 27.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 19104 SdHoareTripleChecker+Valid, 23.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19104 mSDsluCounter, 65273 SdHoareTripleChecker+Invalid, 21.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25558 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 39715 mSDtfsCounter, 108 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3416 GetRequests, 3380 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8078occurred in iteration=10, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 28 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.9s SsaConstructionTime, 7.9s SatisfiabilityAnalysisTime, 29.5s InterpolantComputationTime, 6922 NumberOfCodeBlocks, 6922 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6902 ConstructedInterpolants, 0 QuantifiedInterpolants, 9118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 45003 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 29940/30054 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: 4757]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 3117]: Location Invariant Derived location invariant: (((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 2578]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 4138]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (2 == ldv_mutex_igate_of_vfio_pci_device))) - InvariantResult [Line: 6338]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) && (ldv_state_variable_2 <= 1)) - InvariantResult [Line: 2735]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) && (\old(ldv_mutex_igate_of_vfio_pci_device) == 1)) - InvariantResult [Line: 3100]: Location Invariant Derived location invariant: (((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 4967]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 6252]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) && (ldv_state_variable_2 <= 1)) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:21:24,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66bda6e4-8c61-4dc2-8fb5-e8e48df0abbf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE