/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 16:29:36,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:29:36,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:29:36,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:29:36,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:29:36,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:29:36,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:29:36,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:29:36,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:29:36,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:29:36,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:29:36,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:29:36,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:29:36,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:29:36,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:29:36,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:29:36,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:29:36,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:29:36,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:29:36,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:29:36,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:29:36,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:29:36,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:29:36,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:29:36,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:29:36,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:29:36,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:29:36,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:29:36,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:29:36,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 16:29:36,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 16:29:36,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 16:29:36,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 16:29:36,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 16:29:36,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 16:29:36,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 16:29:36,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 16:29:36,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 16:29:36,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:29:36,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:29:36,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:29:36,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 16:29:36,948 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:29:36,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:29:36,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:29:36,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:29:36,951 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:29:36,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:29:36,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:29:36,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:29:36,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:29:36,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:29:36,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:29:36,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:29:36,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:29:36,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:29:36,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:29:36,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:29:36,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:29:36,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:29:36,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:29:36,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:29:36,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:29:36,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:29:36,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:29:36,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:29:36,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:29:36,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:29:36,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:29:36,959 INFO L138 SettingsManager]: * To the following directory=dump/ 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:29:37,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:29:37,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:29:37,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:29:37,441 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:29:37,442 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:29:37,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i [2020-10-29 16:29:37,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1627c6f23/2d79fea7a10240bbbebe9c03ad31fadd/FLAG2b10c6a4d [2020-10-29 16:29:38,597 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:29:38,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i [2020-10-29 16:29:38,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1627c6f23/2d79fea7a10240bbbebe9c03ad31fadd/FLAG2b10c6a4d [2020-10-29 16:29:39,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1627c6f23/2d79fea7a10240bbbebe9c03ad31fadd [2020-10-29 16:29:39,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:29:39,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:29:39,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:29:39,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:29:39,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:29:39,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:29:39" (1/1) ... [2020-10-29 16:29:39,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5113b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:39, skipping insertion in model container [2020-10-29 16:29:39,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:29:39" (1/1) ... [2020-10-29 16:29:39,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:29:39,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:29:42,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:29:42,080 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:29:42,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:29:43,290 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:29:43,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43 WrapperNode [2020-10-29 16:29:43,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:29:43,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:29:43,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:29:43,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:29:43,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43" (1/1) ... [2020-10-29 16:29:43,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43" (1/1) ... [2020-10-29 16:29:43,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43" (1/1) ... [2020-10-29 16:29:43,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43" (1/1) ... [2020-10-29 16:29:43,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43" (1/1) ... [2020-10-29 16:29:43,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43" (1/1) ... [2020-10-29 16:29:43,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43" (1/1) ... [2020-10-29 16:29:43,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:29:43,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:29:43,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:29:43,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:29:43,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:29:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:29:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:29:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 16:29:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-29 16:29:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:29:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-29 16:29:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-29 16:29:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-29 16:29:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-29 16:29:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-29 16:29:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-29 16:29:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2020-10-29 16:29:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-29 16:29:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2020-10-29 16:29:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2020-10-29 16:29:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-29 16:29:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-29 16:29:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-29 16:29:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-29 16:29:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-29 16:29:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2020-10-29 16:29:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2020-10-29 16:29:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2020-10-29 16:29:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2020-10-29 16:29:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-10-29 16:29:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-10-29 16:29:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-29 16:29:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2020-10-29 16:29:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-29 16:29:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-29 16:29:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageDirty [2020-10-29 16:29:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-29 16:29:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 16:29:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 16:29:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:29:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 16:29:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 16:29:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 16:29:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-29 16:29:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-29 16:29:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2020-10-29 16:29:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2020-10-29 16:29:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload_end [2020-10-29 16:29:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2020-10-29 16:29:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_get [2020-10-29 16:29:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2020-10-29 16:29:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure st_incompatible [2020-10-29 16:29:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2020-10-29 16:29:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure st_analyze_sense [2020-10-29 16:29:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2020-10-29 16:29:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure st_allocate_request [2020-10-29 16:29:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2020-10-29 16:29:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure st_scsi_execute_end [2020-10-29 16:29:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure st_scsi_execute [2020-10-29 16:29:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2020-10-29 16:29:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2020-10-29 16:29:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2020-10-29 16:29:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2020-10-29 16:29:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2020-10-29 16:29:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2020-10-29 16:29:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2020-10-29 16:29:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_state [2020-10-29 16:29:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ready [2020-10-29 16:29:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2020-10-29 16:29:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure st_open [2020-10-29 16:29:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2020-10-29 16:29:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release [2020-10-29 16:29:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2020-10-29 16:29:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2020-10-29 16:29:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2020-10-29 16:29:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2020-10-29 16:29:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure read_tape [2020-10-29 16:29:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure st_read [2020-10-29 16:29:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure st_set_options [2020-10-29 16:29:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2020-10-29 16:29:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2020-10-29 16:29:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2020-10-29 16:29:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2020-10-29 16:29:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2020-10-29 16:29:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2020-10-29 16:29:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2020-10-29 16:29:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2020-10-29 16:29:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2020-10-29 16:29:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nbr_partitions [2020-10-29 16:29:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure partition_tape [2020-10-29 16:29:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure st_ioctl [2020-10-29 16:29:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compat_ioctl [2020-10-29 16:29:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure new_tape_buffer [2020-10-29 16:29:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2020-10-29 16:29:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_buffer [2020-10-29 16:29:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2020-10-29 16:29:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2020-10-29 16:29:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure from_buffer [2020-10-29 16:29:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure move_buffer_data [2020-10-29 16:29:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_options [2020-10-29 16:29:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2020-10-29 16:29:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cdevs [2020-10-29 16:29:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2020-10-29 16:29:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure st_probe [2020-10-29 16:29:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure st_remove [2020-10-29 16:29:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_release [2020-10-29 16:29:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure init_st [2020-10-29 16:29:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_st [2020-10-29 16:29:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure st_try_direct_io_show [2020-10-29 16:29:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure st_fixed_buffer_size_show [2020-10-29 16:29:44,000 INFO L138 BoogieDeclarations]: Found implementation of procedure st_max_sg_segs_show [2020-10-29 16:29:44,000 INFO L138 BoogieDeclarations]: Found implementation of procedure st_version_show [2020-10-29 16:29:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure do_create_sysfs_files [2020-10-29 16:29:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure do_remove_sysfs_files [2020-10-29 16:29:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure defined_show [2020-10-29 16:29:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure default_blksize_show [2020-10-29 16:29:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure default_density_show [2020-10-29 16:29:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure default_compression_show [2020-10-29 16:29:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure options_show [2020-10-29 16:29:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_map_user_pages [2020-10-29 16:29:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_unmap_user_pages [2020-10-29 16:29:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:29:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-29 16:29:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-29 16:29:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-29 16:29:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-29 16:29:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-29 16:29:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-29 16:29:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-29 16:29:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-29 16:29:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-29 16:29:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2020-10-29 16:29:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-29 16:29:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2020-10-29 16:29:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-29 16:29:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2020-10-29 16:29:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2020-10-29 16:29:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2020-10-29 16:29:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2020-10-29 16:29:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2020-10-29 16:29:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 16:29:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 16:29:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:29:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:29:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-29 16:29:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-29 16:29:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:29:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-29 16:29:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-29 16:29:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2020-10-29 16:29:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_scsi_tape [2020-10-29 16:29:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_scsi_tape [2020-10-29 16:29:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_scsi_tape [2020-10-29 16:29:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_scsi_tape [2020-10-29 16:29:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_scsi_tape [2020-10-29 16:29:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_scsi_tape [2020-10-29 16:29:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:29:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:29:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:29:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:29:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:29:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:29:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:29:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_st_ref_mutex [2020-10-29 16:29:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_st_ref_mutex [2020-10-29 16:29:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_st_ref_mutex [2020-10-29 16:29:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_st_ref_mutex [2020-10-29 16:29:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_st_ref_mutex [2020-10-29 16:29:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_st_ref_mutex [2020-10-29 16:29:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_st_ref_mutex [2020-10-29 16:29:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:29:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:29:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_put_request [2020-10-29 16:29:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_register [2020-10-29 16:29:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2020-10-29 16:29:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-29 16:29:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-29 16:29:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2020-10-29 16:29:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-29 16:29:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-29 16:29:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-29 16:29:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-29 16:29:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-29 16:29:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2020-10-29 16:29:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq_nowait [2020-10-29 16:29:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_queue [2020-10-29 16:29:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_request [2020-10-29 16:29:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_queue [2020-10-29 16:29:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2020-10-29 16:29:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2020-10-29 16:29:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_user [2020-10-29 16:29:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_unmap_user [2020-10-29 16:29:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-29 16:29:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2020-10-29 16:29:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_alloc [2020-10-29 16:29:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2020-10-29 16:29:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2020-10-29 16:29:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-29 16:29:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-29 16:29:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 16:29:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-29 16:29:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 16:29:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2020-10-29 16:29:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2020-10-29 16:29:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2020-10-29 16:29:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2020-10-29 16:29:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2020-10-29 16:29:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-10-29 16:29:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages [2020-10-29 16:29:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2020-10-29 16:29:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2020-10-29 16:29:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload [2020-10-29 16:29:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2020-10-29 16:29:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-29 16:29:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-29 16:29:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-29 16:29:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-10-29 16:29:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-29 16:29:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-29 16:29:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-29 16:29:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-29 16:29:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-29 16:29:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2020-10-29 16:29:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2020-10-29 16:29:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_get [2020-10-29 16:29:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2020-10-29 16:29:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_get_sense_info_fld [2020-10-29 16:29:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2020-10-29 16:29:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_nonblockable_ioctl [2020-10-29 16:29:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_normalize_sense [2020-10-29 16:29:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_register_driver [2020-10-29 16:29:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sense_desc_find [2020-10-29 16:29:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2020-10-29 16:29:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2020-10-29 16:29:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2020-10-29 16:29:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2020-10-29 16:29:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-29 16:29:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-29 16:29:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-29 16:29:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:29:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 16:29:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 16:29:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-29 16:29:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:29:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:29:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:29:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:29:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:29:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:29:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 16:29:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-29 16:29:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-29 16:29:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 16:29:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-29 16:29:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-29 16:29:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-29 16:29:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-29 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-29 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-29 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-29 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-29 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-29 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-29 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-29 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-29 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2020-10-29 16:29:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-29 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2020-10-29 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-29 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2020-10-29 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2020-10-29 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-10-29 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-29 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-29 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-29 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-29 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-29 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-29 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-29 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-29 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-29 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2020-10-29 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2020-10-29 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2020-10-29 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-29 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2020-10-29 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2020-10-29 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2020-10-29 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-29 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-29 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-29 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-29 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-29 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2020-10-29 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-29 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-29 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2020-10-29 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_scsi_tape [2020-10-29 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_st_ref_mutex [2020-10-29 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_st_ref_mutex [2020-10-29 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-29 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-29 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-29 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-29 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-29 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-29 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-29 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2020-10-29 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2020-10-29 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-29 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-29 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-29 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2020-10-29 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2020-10-29 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-29 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2020-10-29 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2020-10-29 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2020-10-29 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2020-10-29 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2020-10-29 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2020-10-29 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageDirty [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:29:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 16:29:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:29:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 16:29:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:29:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:29:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 16:29:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 16:29:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 16:29:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 16:29:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-10-29 16:29:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2020-10-29 16:29:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2020-10-29 16:29:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure __class_register [2020-10-29 16:29:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2020-10-29 16:29:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2020-10-29 16:29:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 16:29:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 16:29:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_put_request [2020-10-29 16:29:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2020-10-29 16:29:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2020-10-29 16:29:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_user [2020-10-29 16:29:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_unmap_user [2020-10-29 16:29:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq_nowait [2020-10-29 16:29:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2020-10-29 16:29:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_queue [2020-10-29 16:29:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_queue [2020-10-29 16:29:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2020-10-29 16:29:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2020-10-29 16:29:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_alloc [2020-10-29 16:29:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2020-10-29 16:29:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2020-10-29 16:29:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2020-10-29 16:29:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload [2020-10-29 16:29:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2020-10-29 16:29:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2020-10-29 16:29:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload_end [2020-10-29 16:29:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2020-10-29 16:29:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-29 16:29:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2020-10-29 16:29:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_get [2020-10-29 16:29:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2020-10-29 16:29:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2020-10-29 16:29:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2020-10-29 16:29:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_register_driver [2020-10-29 16:29:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2020-10-29 16:29:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_normalize_sense [2020-10-29 16:29:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sense_desc_find [2020-10-29 16:29:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_get_sense_info_fld [2020-10-29 16:29:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2020-10-29 16:29:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_nonblockable_ioctl [2020-10-29 16:29:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2020-10-29 16:29:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure clear_buffer [2020-10-29 16:29:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2020-10-29 16:29:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2020-10-29 16:29:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure from_buffer [2020-10-29 16:29:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure move_buffer_data [2020-10-29 16:29:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_map_user_pages [2020-10-29 16:29:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_unmap_user_pages [2020-10-29 16:29:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure st_probe [2020-10-29 16:29:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure st_remove [2020-10-29 16:29:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure do_create_sysfs_files [2020-10-29 16:29:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure do_remove_sysfs_files [2020-10-29 16:29:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2020-10-29 16:29:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2020-10-29 16:29:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2020-10-29 16:29:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2020-10-29 16:29:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_release [2020-10-29 16:29:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_get [2020-10-29 16:29:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2020-10-29 16:29:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure st_incompatible [2020-10-29 16:29:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2020-10-29 16:29:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure st_analyze_sense [2020-10-29 16:29:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2020-10-29 16:29:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure st_allocate_request [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure st_scsi_execute_end [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure st_scsi_execute [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2020-10-29 16:29:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure reset_state [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure test_ready [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure st_open [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure st_release [2020-10-29 16:29:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure read_tape [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure st_read [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure st_set_options [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2020-10-29 16:29:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure nbr_partitions [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure partition_tape [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure st_ioctl [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure st_compat_ioctl [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure new_tape_buffer [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure validate_options [2020-10-29 16:29:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure create_cdevs [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure init_st [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure exit_st [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure st_try_direct_io_show [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure st_fixed_buffer_size_show [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure st_max_sg_segs_show [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure st_version_show [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure defined_show [2020-10-29 16:29:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure default_blksize_show [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure default_density_show [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure default_compression_show [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure options_show [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:29:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_scsi_tape [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_scsi_tape [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_scsi_tape [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_scsi_tape [2020-10-29 16:29:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_scsi_tape [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_st_ref_mutex [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_st_ref_mutex [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_st_ref_mutex [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_st_ref_mutex [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_st_ref_mutex [2020-10-29 16:29:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 16:29:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 16:29:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-29 16:29:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:29:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:29:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:29:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 16:29:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:29:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 16:29:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 16:29:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 16:29:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 16:30:08,593 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:30:08,593 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 16:30:08,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:30:08 BoogieIcfgContainer [2020-10-29 16:30:08,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:30:08,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:30:08,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:30:08,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:30:08,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:29:39" (1/3) ... [2020-10-29 16:30:08,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196d07e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:30:08, skipping insertion in model container [2020-10-29 16:30:08,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:43" (2/3) ... [2020-10-29 16:30:08,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196d07e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:30:08, skipping insertion in model container [2020-10-29 16:30:08,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:30:08" (3/3) ... [2020-10-29 16:30:08,608 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i [2020-10-29 16:30:08,621 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:30:08,630 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:30:08,646 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:30:08,685 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:30:08,685 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:30:08,685 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:30:08,685 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:30:08,685 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:30:08,685 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:30:08,686 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:30:08,686 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:30:08,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states. [2020-10-29 16:30:08,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-29 16:30:08,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:30:08,766 INFO L422 BasicCegarLoop]: 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] [2020-10-29 16:30:08,766 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:30:08,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:30:08,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1180765975, now seen corresponding path program 1 times [2020-10-29 16:30:08,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:30:08,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290243318] [2020-10-29 16:30:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:30:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:09,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:12,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:12,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 16:30:14,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:30:14,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-29 16:30:14,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:30:14,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:30:14,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 16:30:14,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 16:30:19,872 WARN L193 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 913 [2020-10-29 16:30:19,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:30:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:20,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:22,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:22,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:22,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2909 [2020-10-29 16:30:22,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:22,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:30:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:30:22,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:23,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:30:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:23,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:23,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:23,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:30:23,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:23,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:30:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:30:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:23,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:30:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:23,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:23,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:23,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:30:23,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:30:23,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:23,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:30:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:30:23,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:23,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:30:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:23,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:23,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:23,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:30:23,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 16:30:23,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:23,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:30:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 16:30:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 16:30:23,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:23,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:23,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:23,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:30:23,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 16:30:23,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:23,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:30:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 16:30:23,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:23,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 16:30:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:23,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:23,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:23,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:23,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:23,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 16:30:23,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:23,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:30:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:30:23,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:30:23,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290243318] [2020-10-29 16:30:23,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:30:23,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 16:30:23,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071147629] [2020-10-29 16:30:23,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 16:30:23,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:30:23,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 16:30:23,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 16:30:23,487 INFO L87 Difference]: Start difference. First operand 2685 states. Second operand 8 states. [2020-10-29 16:30:35,642 WARN L193 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 915 [2020-10-29 16:32:48,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:32:48,264 INFO L93 Difference]: Finished difference Result 5929 states and 8889 transitions. [2020-10-29 16:32:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 16:32:48,267 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2020-10-29 16:32:48,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:32:48,324 INFO L225 Difference]: With dead ends: 5929 [2020-10-29 16:32:48,324 INFO L226 Difference]: Without dead ends: 3386 [2020-10-29 16:32:48,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-29 16:32:48,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2020-10-29 16:32:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 2537. [2020-10-29 16:32:49,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2537 states. [2020-10-29 16:32:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 3607 transitions. [2020-10-29 16:32:49,481 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 3607 transitions. Word has length 37 [2020-10-29 16:32:49,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:32:49,482 INFO L481 AbstractCegarLoop]: Abstraction has 2537 states and 3607 transitions. [2020-10-29 16:32:49,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 16:32:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3607 transitions. [2020-10-29 16:32:49,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-29 16:32:49,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:32:49,485 INFO L422 BasicCegarLoop]: 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] [2020-10-29 16:32:49,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:32:49,486 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:32:49,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:32:49,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1998414425, now seen corresponding path program 1 times [2020-10-29 16:32:49,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:32:49,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646216714] [2020-10-29 16:32:49,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:32:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:32:49,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:32:51,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:32:54,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:32:54,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 16:32:54,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:32:54,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5292 [2020-10-29 16:32:54,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:32:54,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:32:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:32:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:32:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 16:32:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:33:00,263 WARN L193 SmtUtils]: Spent 5.15 s on a formula simplification that was a NOOP. DAG size: 913 [2020-10-29 16:33:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:33:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:33:00,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:33:01,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:33:01,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:33:01,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:33:01,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1482 [2020-10-29 16:33:01,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:33:01,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:33:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:33:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:33:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:33:01,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:33:01,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:33:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:33:01,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:33:01,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:33:01,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:33:01,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:33:01,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:33:01,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:33:01,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:33:01,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:33:01,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:33:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:33:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:33:01,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:33:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:33:01,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:33:01,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:33:01,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:33:01,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:33:01,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:33:01,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:33:01,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:33:01,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:33:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:33:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:33:01,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:33:01,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:33:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:33:01,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:33:02,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:33:02,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 16:33:02,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:33:02,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 16:33:02,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:33:02,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:33:02,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:33:02,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:33:02,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:33:02,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:33:02,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:33:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:33:02,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:33:02,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:33:02,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:33:02,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:33:02,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:33:02,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:33:02,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:33:02,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:33:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:33:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:33:02,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:33:02,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 16:33:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:33:02,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:33:02,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:33:02,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:33:02,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:33:02,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:33:02,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:33:02,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:33:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:33:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:33:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:33:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:33:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:33:02,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646216714] [2020-10-29 16:33:02,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:33:02,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 16:33:02,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380726790] [2020-10-29 16:33:02,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 16:33:02,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:33:02,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 16:33:02,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:33:02,110 INFO L87 Difference]: Start difference. First operand 2537 states and 3607 transitions. Second operand 7 states. [2020-10-29 16:33:10,131 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 915