./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 15:18:45,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:18:45,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:18:45,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:18:45,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:18:45,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:18:45,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:18:45,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:18:45,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:18:45,859 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:18:45,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:18:45,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:18:45,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:18:45,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:18:45,863 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:18:45,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:18:45,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:18:45,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:18:45,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:18:45,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:18:45,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:18:45,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:18:45,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:18:45,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:18:45,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:18:45,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:18:45,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:18:45,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:18:45,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:18:45,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:18:45,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:18:45,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:18:45,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:18:45,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:18:45,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:18:45,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:18:45,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:18:45,872 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:18:45,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:18:45,873 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 [2024-10-11 15:18:46,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:18:46,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:18:46,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:18:46,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:18:46,176 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:18:46,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2024-10-11 15:18:47,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:18:48,176 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:18:48,178 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2024-10-11 15:18:48,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/02e1e45ee/8b81ae16b950403da2bd4b5f855f4f8c/FLAG99cf39aa4 [2024-10-11 15:18:48,232 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/02e1e45ee/8b81ae16b950403da2bd4b5f855f4f8c [2024-10-11 15:18:48,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:18:48,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:18:48,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:18:48,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:18:48,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:18:48,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:18:48" (1/1) ... [2024-10-11 15:18:48,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aac5791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:48, skipping insertion in model container [2024-10-11 15:18:48,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:18:48" (1/1) ... [2024-10-11 15:18:48,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:18:49,638 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2024-10-11 15:18:49,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:18:49,752 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:18:49,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] [2024-10-11 15:18:50,004 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2024-10-11 15:18:50,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:18:50,086 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:18:50,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50 WrapperNode [2024-10-11 15:18:50,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:18:50,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:18:50,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:18:50,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:18:50,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,250 INFO L138 Inliner]: procedures = 188, calls = 605, calls flagged for inlining = 74, calls inlined = 49, statements flattened = 1326 [2024-10-11 15:18:50,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:18:50,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:18:50,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:18:50,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:18:50,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,418 INFO L175 MemorySlicer]: Split 153 memory accesses to 8 slices as follows [2, 31, 65, 9, 21, 5, 8, 12]. 42 percent of accesses are in the largest equivalence class. The 54 initializations are split as follows [2, 31, 0, 9, 0, 0, 0, 12]. The 14 writes are split as follows [0, 0, 13, 0, 1, 0, 0, 0]. [2024-10-11 15:18:50,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:18:50,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:18:50,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:18:50,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:18:50,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (1/1) ... [2024-10-11 15:18:50,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:18:50,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:18:50,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:18:50,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:18:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-11 15:18:50,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-11 15:18:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure uspace_ring_map [2024-10-11 15:18:50,598 INFO L138 BoogieDeclarations]: Found implementation of procedure uspace_ring_map [2024-10-11 15:18:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unmap_user_pages [2024-10-11 15:18:50,598 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unmap_user_pages [2024-10-11 15:18:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:18:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:18:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:18:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:18:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:18:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:18:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:18:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:18:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2024-10-11 15:18:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2024-10-11 15:18:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_release_buffers [2024-10-11 15:18:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_release_buffers [2024-10-11 15:18:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:18:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:18:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-10-11 15:18:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-10-11 15:18:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_write [2024-10-11 15:18:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_write [2024-10-11 15:18:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:18:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:18:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:18:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:18:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:18:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:18:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:18:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:18:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:18:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:18:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:18:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:18:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_open [2024-10-11 15:18:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_open [2024-10-11 15:18:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2024-10-11 15:18:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2024-10-11 15:18:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:18:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_to_host [2024-10-11 15:18:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_to_host [2024-10-11 15:18:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-11 15:18:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-11 15:18:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:18:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_idx_inc [2024-10-11 15:18:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_idx_inc [2024-10-11 15:18:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:18:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:18:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:18:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:18:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:18:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:18:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:18:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:18:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:18:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_head_event [2024-10-11 15:18:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_head_event [2024-10-11 15:18:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2024-10-11 15:18:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2024-10-11 15:18:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:18:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:18:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:18:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:18:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:18:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:18:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:18:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:18:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:18:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:18:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-11 15:18:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-11 15:18:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-10-11 15:18:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-10-11 15:18:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:18:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:18:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:18:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:18:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:18:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:18:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:18:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:18:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:18:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_exit [2024-10-11 15:18:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_exit [2024-10-11 15:18:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:18:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:18:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_destroy [2024-10-11 15:18:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_destroy [2024-10-11 15:18:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_init [2024-10-11 15:18:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_init [2024-10-11 15:18:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-10-11 15:18:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-10-11 15:18:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2024-10-11 15:18:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2024-10-11 15:18:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_poll [2024-10-11 15:18:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_poll [2024-10-11 15:18:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-11 15:18:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-11 15:18:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_lookup [2024-10-11 15:18:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_lookup [2024-10-11 15:18:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_mmap [2024-10-11 15:18:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_mmap [2024-10-11 15:18:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:18:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:18:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:18:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:18:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:18:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:18:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:18:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:18:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-10-11 15:18:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-10-11 15:18:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:18:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:18:51,077 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:18:51,081 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:18:52,127 INFO L? ?]: Removed 649 outVars from TransFormulas that were not future-live. [2024-10-11 15:18:52,128 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:18:52,243 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:18:52,245 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 15:18:52,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:18:52 BoogieIcfgContainer [2024-10-11 15:18:52,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:18:52,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:18:52,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:18:52,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:18:52,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:18:48" (1/3) ... [2024-10-11 15:18:52,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0b3c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:18:52, skipping insertion in model container [2024-10-11 15:18:52,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:18:50" (2/3) ... [2024-10-11 15:18:52,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0b3c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:18:52, skipping insertion in model container [2024-10-11 15:18:52,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:18:52" (3/3) ... [2024-10-11 15:18:52,255 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2024-10-11 15:18:52,270 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:18:52,271 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:18:52,343 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:18:52,351 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;@1cf96671, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:18:52,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:18:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 339 states, 223 states have (on average 1.390134529147982) internal successors, (310), 231 states have internal predecessors, (310), 83 states have call successors, (83), 31 states have call predecessors, (83), 31 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-10-11 15:18:52,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 15:18:52,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:18:52,371 INFO L215 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] [2024-10-11 15:18:52,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:18:52,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:18:52,377 INFO L85 PathProgramCache]: Analyzing trace with hash -769578050, now seen corresponding path program 1 times [2024-10-11 15:18:52,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:18:52,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088337648] [2024-10-11 15:18:52,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:18:52,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:18:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 15:18:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:18:52,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:18:52,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088337648] [2024-10-11 15:18:52,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088337648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:18:52,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:18:52,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:18:52,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871590785] [2024-10-11 15:18:52,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:18:52,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:18:52,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:18:52,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:18:52,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:18:52,891 INFO L87 Difference]: Start difference. First operand has 339 states, 223 states have (on average 1.390134529147982) internal successors, (310), 231 states have internal predecessors, (310), 83 states have call successors, (83), 31 states have call predecessors, (83), 31 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:18:53,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:18:53,821 INFO L93 Difference]: Finished difference Result 809 states and 1180 transitions. [2024-10-11 15:18:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 15:18:53,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-10-11 15:18:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:18:53,841 INFO L225 Difference]: With dead ends: 809 [2024-10-11 15:18:53,841 INFO L226 Difference]: Without dead ends: 469 [2024-10-11 15:18:53,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:18:53,852 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 685 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 15:18:53,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 482 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 15:18:53,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-10-11 15:18:53,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 335. [2024-10-11 15:18:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 222 states have (on average 1.3693693693693694) internal successors, (304), 227 states have internal predecessors, (304), 82 states have call successors, (82), 31 states have call predecessors, (82), 30 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 15:18:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 466 transitions. [2024-10-11 15:18:53,968 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 466 transitions. Word has length 22 [2024-10-11 15:18:53,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:18:53,970 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 466 transitions. [2024-10-11 15:18:53,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:18:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 466 transitions. [2024-10-11 15:18:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 15:18:53,974 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:18:53,974 INFO L215 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] [2024-10-11 15:18:53,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:18:53,974 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:18:53,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:18:53,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1912670270, now seen corresponding path program 1 times [2024-10-11 15:18:53,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:18:53,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66887044] [2024-10-11 15:18:53,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:18:53,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:18:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:54,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 15:18:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:18:54,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:18:54,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66887044] [2024-10-11 15:18:54,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66887044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:18:54,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:18:54,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:18:54,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023432467] [2024-10-11 15:18:54,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:18:54,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:18:54,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:18:54,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:18:54,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:18:54,165 INFO L87 Difference]: Start difference. First operand 335 states and 466 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:18:54,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:18:54,959 INFO L93 Difference]: Finished difference Result 471 states and 683 transitions. [2024-10-11 15:18:54,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 15:18:54,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-11 15:18:54,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:18:54,966 INFO L225 Difference]: With dead ends: 471 [2024-10-11 15:18:54,966 INFO L226 Difference]: Without dead ends: 468 [2024-10-11 15:18:54,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:18:54,968 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 680 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 15:18:54,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 477 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 15:18:54,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-10-11 15:18:55,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 334. [2024-10-11 15:18:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 222 states have (on average 1.364864864864865) internal successors, (303), 226 states have internal predecessors, (303), 81 states have call successors, (81), 31 states have call predecessors, (81), 30 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 15:18:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 464 transitions. [2024-10-11 15:18:55,033 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 464 transitions. Word has length 23 [2024-10-11 15:18:55,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:18:55,033 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 464 transitions. [2024-10-11 15:18:55,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:18:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 464 transitions. [2024-10-11 15:18:55,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 15:18:55,038 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:18:55,039 INFO L215 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] [2024-10-11 15:18:55,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:18:55,039 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:18:55,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:18:55,040 INFO L85 PathProgramCache]: Analyzing trace with hash -836972863, now seen corresponding path program 1 times [2024-10-11 15:18:55,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:18:55,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726944668] [2024-10-11 15:18:55,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:18:55,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:18:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:55,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 15:18:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:18:55,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:18:55,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726944668] [2024-10-11 15:18:55,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726944668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:18:55,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:18:55,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:18:55,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148865274] [2024-10-11 15:18:55,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:18:55,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:18:55,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:18:55,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:18:55,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:18:55,166 INFO L87 Difference]: Start difference. First operand 334 states and 464 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:18:55,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:18:55,896 INFO L93 Difference]: Finished difference Result 468 states and 680 transitions. [2024-10-11 15:18:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 15:18:55,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-10-11 15:18:55,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:18:55,897 INFO L225 Difference]: With dead ends: 468 [2024-10-11 15:18:55,897 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 15:18:55,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:18:55,900 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 675 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 15:18:55,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 476 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 15:18:55,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 15:18:55,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 15:18:55,901 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) [2024-10-11 15:18:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 15:18:55,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-10-11 15:18:55,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:18:55,902 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 15:18:55,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:18:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 15:18:55,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 15:18:55,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 15:18:55,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:18:55,908 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 15:18:55,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 15:18:57,996 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 15:18:58,021 WARN L155 FloydHoareUtils]: Requires clause for tgt_write contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2024-10-11 15:18:58,023 WARN L155 FloydHoareUtils]: Requires clause for tgt_ring_init contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2024-10-11 15:18:58,031 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:18:58,031 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-11 15:18:58,032 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-11 15:18:58,032 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:18:58,032 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-11 15:18:58,032 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-11 15:18:58,035 WARN L155 FloydHoareUtils]: Requires clause for scsi_host_lookup contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2024-10-11 15:18:58,040 WARN L155 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2024-10-11 15:18:58,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:18:58 BoogieIcfgContainer [2024-10-11 15:18:58,045 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 15:18:58,045 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 15:18:58,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 15:18:58,046 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 15:18:58,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:18:52" (3/4) ... [2024-10-11 15:18:58,048 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 15:18:58,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_idx_inc [2024-10-11 15:18:58,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __raw_spin_lock_init [2024-10-11 15:18:58,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_exit [2024-10-11 15:18:58,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uspace_ring_map [2024-10-11 15:18:58,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-11 15:18:58,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_tgt_cmd_destroy [2024-10-11 15:18:58,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_write [2024-10-11 15:18:58,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_init [2024-10-11 15:18:58,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-11 15:18:58,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2024-10-11 15:18:58,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmem_cache_free [2024-10-11 15:18:58,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_head_event [2024-10-11 15:18:58,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_poll [2024-10-11 15:18:58,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_unmap_user_pages [2024-10-11 15:18:58,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-10-11 15:18:58,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_host_put [2024-10-11 15:18:58,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_64 [2024-10-11 15:18:58,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-10-11 15:18:58,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-10-11 15:18:58,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_open [2024-10-11 15:18:58,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_host_lookup [2024-10-11 15:18:58,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_mmap [2024-10-11 15:18:58,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_release_buffers [2024-10-11 15:18:58,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmem_cache_destroy [2024-10-11 15:18:58,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-10-11 15:18:58,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-11 15:18:58,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure destroy_workqueue [2024-10-11 15:18:58,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-10-11 15:18:58,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2024-10-11 15:18:58,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_tgt_cmd_to_host [2024-10-11 15:18:58,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-10-11 15:18:58,074 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 202 nodes and edges [2024-10-11 15:18:58,076 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2024-10-11 15:18:58,078 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-10-11 15:18:58,080 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 15:18:58,081 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 15:18:58,083 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 15:18:58,296 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 15:18:58,297 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 15:18:58,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 15:18:58,297 INFO L158 Benchmark]: Toolchain (without parser) took 10061.48ms. Allocated memory was 157.3MB in the beginning and 367.0MB in the end (delta: 209.7MB). Free memory was 90.7MB in the beginning and 221.1MB in the end (delta: -130.4MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2024-10-11 15:18:58,298 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 15:18:58,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1850.80ms. Allocated memory was 157.3MB in the beginning and 247.5MB in the end (delta: 90.2MB). Free memory was 90.1MB in the beginning and 159.4MB in the end (delta: -69.3MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2024-10-11 15:18:58,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.64ms. Allocated memory is still 247.5MB. Free memory was 159.4MB in the beginning and 149.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-11 15:18:58,298 INFO L158 Benchmark]: Boogie Preprocessor took 253.09ms. Allocated memory is still 247.5MB. Free memory was 149.9MB in the beginning and 121.6MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-11 15:18:58,299 INFO L158 Benchmark]: RCFGBuilder took 1740.18ms. Allocated memory is still 247.5MB. Free memory was 121.6MB in the beginning and 126.9MB in the end (delta: -5.2MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-10-11 15:18:58,299 INFO L158 Benchmark]: TraceAbstraction took 5797.28ms. Allocated memory was 247.5MB in the beginning and 367.0MB in the end (delta: 119.5MB). Free memory was 126.9MB in the beginning and 247.3MB in the end (delta: -120.4MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. [2024-10-11 15:18:58,299 INFO L158 Benchmark]: Witness Printer took 251.59ms. Allocated memory is still 367.0MB. Free memory was 247.3MB in the beginning and 221.1MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-11 15:18:58,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1850.80ms. Allocated memory was 157.3MB in the beginning and 247.5MB in the end (delta: 90.2MB). Free memory was 90.1MB in the beginning and 159.4MB in the end (delta: -69.3MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.64ms. Allocated memory is still 247.5MB. Free memory was 159.4MB in the beginning and 149.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 253.09ms. Allocated memory is still 247.5MB. Free memory was 149.9MB in the beginning and 121.6MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1740.18ms. Allocated memory is still 247.5MB. Free memory was 121.6MB in the beginning and 126.9MB in the end (delta: -5.2MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5797.28ms. Allocated memory was 247.5MB in the beginning and 367.0MB in the end (delta: 119.5MB). Free memory was 126.9MB in the beginning and 247.3MB in the end (delta: -120.4MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. * Witness Printer took 251.59ms. Allocated memory is still 367.0MB. Free memory was 247.3MB in the beginning and 221.1MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7332]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 * 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: 7845]: 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 32 procedures, 339 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2226 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2040 mSDsluCounter, 1435 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 572 mSDsCounter, 894 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 842 IncrementalHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 894 mSolverCounterUnsat, 863 mSDtfsCounter, 842 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=339occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 268 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6932]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 7666]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 7065]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 6348]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 6818]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 7649]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 7075]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 7019]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 6292]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 6890]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 6597]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 7095]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7281]: Procedure Contract for tgt_ring_idx_inc Derived contract for procedure tgt_ring_idx_inc. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8215]: Procedure Contract for __raw_spin_lock_init Derived contract for procedure __raw_spin_lock_init. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7593]: Procedure Contract for tgt_ring_exit Derived contract for procedure tgt_ring_exit. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7528]: Procedure Contract for uspace_ring_map Derived contract for procedure uspace_ring_map. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8322]: Procedure Contract for printk Derived contract for procedure printk. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 6604]: Procedure Contract for scsi_tgt_cmd_destroy Derived contract for procedure scsi_tgt_cmd_destroy. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7481]: Procedure Contract for tgt_write Derived contract for procedure tgt_write. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7611]: Procedure Contract for tgt_ring_init Derived contract for procedure tgt_ring_init. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7842]: Procedure Contract for ldv_error Derived contract for procedure ldv_error. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 8290]: Procedure Contract for list_del Derived contract for procedure list_del. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8283]: Procedure Contract for kmem_cache_free Derived contract for procedure kmem_cache_free. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7292]: Procedure Contract for tgt_head_event Derived contract for procedure tgt_head_event. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7501]: Procedure Contract for tgt_poll Derived contract for procedure tgt_poll. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 6597]: Procedure Contract for scsi_unmap_user_pages Derived contract for procedure scsi_unmap_user_pages. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8235]: Procedure Contract for _raw_spin_lock_irqsave Derived contract for procedure _raw_spin_lock_irqsave. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8335]: Procedure Contract for scsi_host_put Derived contract for procedure scsi_host_put. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 6456]: Procedure Contract for hash_64 Derived contract for procedure hash_64. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7849]: Procedure Contract for ldv__builtin_expect Derived contract for procedure ldv__builtin_expect. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7580]: Procedure Contract for tgt_open Derived contract for procedure tgt_open. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8332]: Procedure Contract for scsi_host_lookup Derived contract for procedure scsi_host_lookup. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 7556]: Procedure Contract for tgt_mmap Derived contract for procedure tgt_mmap. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8342]: Procedure Contract for scsi_release_buffers Derived contract for procedure scsi_release_buffers. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8280]: Procedure Contract for kmem_cache_destroy Derived contract for procedure kmem_cache_destroy. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 6348]: Procedure Contract for spin_unlock_irqrestore Derived contract for procedure spin_unlock_irqrestore. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 6377]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8261]: Procedure Contract for destroy_workqueue Derived contract for procedure destroy_workqueue. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 8231]: Procedure Contract for _copy_from_user Derived contract for procedure _copy_from_user. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 6292]: Procedure Contract for list_add Derived contract for procedure list_add. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 6765]: Procedure Contract for scsi_tgt_cmd_to_host Derived contract for procedure scsi_tgt_cmd_to_host. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 6342]: Procedure Contract for spinlock_check Derived contract for procedure spinlock_check. Requires: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) RESULT: Ultimate proved your program to be correct! [2024-10-11 15:18:58,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE