/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=SHALLOWEST --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-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 07:40:13,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 07:40:13,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 07:40:13,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 07:40:13,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 07:40:13,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 07:40:13,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 07:40:13,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 07:40:13,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 07:40:13,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 07:40:13,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 07:40:13,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 07:40:13,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 07:40:13,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 07:40:13,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 07:40:13,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 07:40:13,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 07:40:13,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 07:40:13,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 07:40:13,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 07:40:13,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 07:40:13,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 07:40:13,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 07:40:13,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 07:40:13,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 07:40:13,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 07:40:13,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 07:40:13,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 07:40:13,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 07:40:13,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 07:40:13,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 07:40:13,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 07:40:13,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 07:40:13,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 07:40:13,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 07:40:13,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 07:40:13,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 07:40:13,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 07:40:13,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 07:40:13,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 07:40:13,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 07:40:13,688 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 [2020-10-27 07:40:13,741 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 07:40:13,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 07:40:13,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 07:40:13,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 07:40:13,745 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 07:40:13,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 07:40:13,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 07:40:13,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 07:40:13,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 07:40:13,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 07:40:13,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 07:40:13,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 07:40:13,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 07:40:13,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 07:40:13,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 07:40:13,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 07:40:13,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 07:40:13,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 07:40:13,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 07:40:13,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 07:40:13,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 07:40:13,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 07:40:13,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 07:40:13,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 07:40:13,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 07:40:13,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 07:40:13,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 07:40:13,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 07:40:14,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 07:40:14,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 07:40:14,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 07:40:14,231 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 07:40:14,232 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 07:40:14,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2020-10-27 07:40:14,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8caa0dbc/cc1aae5d5ec7485d9bebe2bb959d2b66/FLAG3b5315b34 [2020-10-27 07:40:15,457 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 07:40:15,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2020-10-27 07:40:15,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8caa0dbc/cc1aae5d5ec7485d9bebe2bb959d2b66/FLAG3b5315b34 [2020-10-27 07:40:15,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8caa0dbc/cc1aae5d5ec7485d9bebe2bb959d2b66 [2020-10-27 07:40:15,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 07:40:15,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 07:40:15,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 07:40:15,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 07:40:15,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 07:40:15,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:40:15" (1/1) ... [2020-10-27 07:40:15,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2cce71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:15, skipping insertion in model container [2020-10-27 07:40:15,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:40:15" (1/1) ... [2020-10-27 07:40:15,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 07:40:16,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 07:40:19,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 07:40:19,048 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 07:40:19,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 07:40:20,261 INFO L208 MainTranslator]: Completed translation [2020-10-27 07:40:20,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20 WrapperNode [2020-10-27 07:40:20,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 07:40:20,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 07:40:20,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 07:40:20,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 07:40:20,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20" (1/1) ... [2020-10-27 07:40:20,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20" (1/1) ... [2020-10-27 07:40:20,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20" (1/1) ... [2020-10-27 07:40:20,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20" (1/1) ... [2020-10-27 07:40:20,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20" (1/1) ... [2020-10-27 07:40:20,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20" (1/1) ... [2020-10-27 07:40:20,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20" (1/1) ... [2020-10-27 07:40:20,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 07:40:20,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 07:40:20,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 07:40:20,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 07:40:20,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20" (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 [2020-10-27 07:40:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 07:40:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 07:40:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-27 07:40:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 07:40:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-27 07:40:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2020-10-27 07:40:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-27 07:40:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-27 07:40:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-27 07:40:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-27 07:40:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2020-10-27 07:40:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-27 07:40:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-27 07:40:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2020-10-27 07:40:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2020-10-27 07:40:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-27 07:40:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-27 07:40:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2020-10-27 07:40:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-27 07:40:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2020-10-27 07:40:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2020-10-27 07:40:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-27 07:40:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-27 07:40:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-27 07:40:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 07:40:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 07:40:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 07:40:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 07:40:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 07:40:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 07:40:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-27 07:40:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-27 07:40:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2020-10-27 07:40:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2020-10-27 07:40:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2020-10-27 07:40:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2020-10-27 07:40:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_analyze_sense [2020-10-27 07:40:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2020-10-27 07:40:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_end_async [2020-10-27 07:40:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_allocate_request [2020-10-27 07:40:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2020-10-27 07:40:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_execute [2020-10-27 07:40:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2020-10-27 07:40:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2020-10-27 07:40:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2020-10-27 07:40:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2020-10-27 07:40:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2020-10-27 07:40:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_for_medium [2020-10-27 07:40:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2020-10-27 07:40:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2020-10-27 07:40:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2020-10-27 07:40:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2020-10-27 07:40:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2020-10-27 07:40:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2020-10-27 07:40:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2020-10-27 07:40:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2020-10-27 07:40:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_sector [2020-10-27 07:40:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_sector [2020-10-27 07:40:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2020-10-27 07:40:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2020-10-27 07:40:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2020-10-27 07:40:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2020-10-27 07:40:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2020-10-27 07:40:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_fast [2020-10-27 07:40:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2020-10-27 07:40:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2020-10-27 07:40:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filler [2020-10-27 07:40:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2020-10-27 07:40:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2020-10-27 07:40:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2020-10-27 07:40:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2020-10-27 07:40:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_analyze_headers [2020-10-27 07:40:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_position [2020-10-27 07:40:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_parse_firmware_rev [2020-10-27 07:40:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_configure_onstream [2020-10-27 07:40:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2020-10-27 07:40:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2020-10-27 07:40:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2020-10-27 07:40:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2020-10-27 07:40:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2020-10-27 07:40:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2020-10-27 07:40:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2020-10-27 07:40:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2020-10-27 07:40:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_state [2020-10-27 07:40:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2020-10-27 07:40:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read [2020-10-27 07:40:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2020-10-27 07:40:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_options [2020-10-27 07:40:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2020-10-27 07:40:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __os_scsi_tape_open [2020-10-27 07:40:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_open [2020-10-27 07:40:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2020-10-27 07:40:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_close [2020-10-27 07:40:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_ioctl [2020-10-27 07:40:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_compat_ioctl [2020-10-27 07:40:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure new_tape_buffer [2020-10-27 07:40:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2020-10-27 07:40:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2020-10-27 07:40:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2020-10-27 07:40:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure from_buffer [2020-10-27 07:40:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_zero_buffer_tail [2020-10-27 07:40:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2020-10-27 07:40:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2020-10-27 07:40:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_options [2020-10-27 07:40:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_supports [2020-10-27 07:40:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_version_show [2020-10-27 07:40:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_create_sysfs_files [2020-10-27 07:40:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_remove_sysfs_files [2020-10-27 07:40:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_adr_rev_show [2020-10-27 07:40:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_linux_media_version_show [2020-10-27 07:40:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_capacity_show [2020-10-27 07:40:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_first_data_ppos_show [2020-10-27 07:40:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_eod_frame_ppos_show [2020-10-27 07:40:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_filemark_cnt_show [2020-10-27 07:40:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_init [2020-10-27 07:40:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2020-10-27 07:40:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2020-10-27 07:40:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2020-10-27 07:40:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_probe [2020-10-27 07:40:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_remove [2020-10-27 07:40:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure init_osst [2020-10-27 07:40:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_osst [2020-10-27 07:40:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 07:40:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-27 07:40:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-27 07:40:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-27 07:40:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-27 07:40:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-27 07:40:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-27 07:40:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-27 07:40:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2020-10-27 07:40:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-27 07:40:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-27 07:40:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-27 07:40:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-27 07:40:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_13 [2020-10-27 07:40:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2020-10-27 07:40:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2020-10-27 07:40:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2020-10-27 07:40:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2020-10-27 07:40:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2020-10-27 07:40:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 07:40:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 07:40:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-27 07:40:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-27 07:40:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-27 07:40:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-27 07:40:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-27 07:40:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-27 07:40:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-27 07:40:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2020-10-27 07:40:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_osst_tape [2020-10-27 07:40:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_osst_tape [2020-10-27 07:40:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_osst_tape [2020-10-27 07:40:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_osst_tape [2020-10-27 07:40:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_osst_tape [2020-10-27 07:40:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2020-10-27 07:40:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-27 07:40:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-27 07:40:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-27 07:40:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-27 07:40:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-27 07:40:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-27 07:40:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-27 07:40:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_osst_int_mutex [2020-10-27 07:40:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_osst_int_mutex [2020-10-27 07:40:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2020-10-27 07:40:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_osst_int_mutex [2020-10-27 07:40:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_osst_int_mutex [2020-10-27 07:40:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_osst_int_mutex [2020-10-27 07:40:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2020-10-27 07:40:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 07:40:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 07:40:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_put_request [2020-10-27 07:40:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2020-10-27 07:40:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2020-10-27 07:40:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-27 07:40:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-27 07:40:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2020-10-27 07:40:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2020-10-27 07:40:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2020-10-27 07:40:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-27 07:40:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-27 07:40:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2020-10-27 07:40:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2020-10-27 07:40:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-27 07:40:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2020-10-27 07:40:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq_nowait [2020-10-27 07:40:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_request [2020-10-27 07:40:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2020-10-27 07:40:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_kern [2020-10-27 07:40:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_user [2020-10-27 07:40:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_unmap_user [2020-10-27 07:40:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-27 07:40:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2020-10-27 07:40:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-27 07:40:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 07:40:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-27 07:40:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2020-10-27 07:40:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2020-10-27 07:40:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2020-10-27 07:40:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2020-10-27 07:40:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2020-10-27 07:40:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-10-27 07:40:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2020-10-27 07:40:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-27 07:40:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-27 07:40:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-27 07:40:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-27 07:40:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-27 07:40:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-27 07:40:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-27 07:40:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-27 07:40:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-27 07:40:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 07:40:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure panic [2020-10-27 07:40:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 07:40:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-27 07:40:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-27 07:40:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2020-10-27 07:40:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_get [2020-10-27 07:40:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2020-10-27 07:40:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_get_sense_info_fld [2020-10-27 07:40:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2020-10-27 07:40:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_normalize_sense [2020-10-27 07:40:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_register_driver [2020-10-27 07:40:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sense_desc_find [2020-10-27 07:40:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2020-10-27 07:40:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-10-27 07:40:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2020-10-27 07:40:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-27 07:40:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-27 07:40:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-27 07:40:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 07:40:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 07:40:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 07:40:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-27 07:40:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 07:40:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 07:40:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 07:40:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 07:40:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 07:40:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 07:40:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 07:40:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-27 07:40:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2020-10-27 07:40:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-27 07:40:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-27 07:40:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-27 07:40:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 07:40:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-27 07:40:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure panic [2020-10-27 07:40:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-27 07:40:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-27 07:40:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-27 07:40:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-27 07:40:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2020-10-27 07:40:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 07:40:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 07:40:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-27 07:40:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-27 07:40:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-27 07:40:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-27 07:40:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-27 07:40:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-27 07:40:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-27 07:40:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-27 07:40:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2020-10-27 07:40:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 07:40:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2020-10-27 07:40:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-27 07:40:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-27 07:40:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-27 07:40:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 07:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-27 07:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-27 07:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-27 07:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-27 07:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-27 07:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2020-10-27 07:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2020-10-27 07:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2020-10-27 07:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2020-10-27 07:40:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2020-10-27 07:40:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-27 07:40:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-27 07:40:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2020-10-27 07:40:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_13 [2020-10-27 07:40:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-27 07:40:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-27 07:40:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-27 07:40:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-27 07:40:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-27 07:40:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-27 07:40:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-27 07:40:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2020-10-27 07:40:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2020-10-27 07:40:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-27 07:40:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-27 07:40:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-27 07:40:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2020-10-27 07:40:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2020-10-27 07:40:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-27 07:40:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2020-10-27 07:40:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2020-10-27 07:40:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-27 07:40:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-27 07:40:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 07:40:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 07:40:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-27 07:40:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-27 07:40:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2020-10-27 07:40:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-27 07:40:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-27 07:40:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-27 07:40:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2020-10-27 07:40:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2020-10-27 07:40:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2020-10-27 07:40:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-27 07:40:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-27 07:40:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2020-10-27 07:40:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2020-10-27 07:40:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2020-10-27 07:40:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2020-10-27 07:40:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2020-10-27 07:40:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-27 07:40:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-27 07:40:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 07:40:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-27 07:40:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-27 07:40:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 07:40:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 07:40:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 07:40:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 07:40:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 07:40:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 07:40:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 07:40:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 07:40:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 07:40:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 07:40:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 07:40:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-10-27 07:40:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2020-10-27 07:40:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2020-10-27 07:40:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2020-10-27 07:40:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-27 07:40:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2020-10-27 07:40:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 07:40:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2020-10-27 07:40:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2020-10-27 07:40:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-27 07:40:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-27 07:40:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-27 07:40:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-27 07:40:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-27 07:40:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-27 07:40:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-27 07:40:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2020-10-27 07:40:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_put_request [2020-10-27 07:40:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2020-10-27 07:40:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_user [2020-10-27 07:40:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_unmap_user [2020-10-27 07:40:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_kern [2020-10-27 07:40:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq_nowait [2020-10-27 07:40:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-27 07:40:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2020-10-27 07:40:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2020-10-27 07:40:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2020-10-27 07:40:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2020-10-27 07:40:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2020-10-27 07:40:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_get [2020-10-27 07:40:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2020-10-27 07:40:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_register_driver [2020-10-27 07:40:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2020-10-27 07:40:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_normalize_sense [2020-10-27 07:40:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sense_desc_find [2020-10-27 07:40:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_get_sense_info_fld [2020-10-27 07:40:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2020-10-27 07:40:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure new_tape_buffer [2020-10-27 07:40:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2020-10-27 07:40:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2020-10-27 07:40:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2020-10-27 07:40:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure from_buffer [2020-10-27 07:40:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure osst_zero_buffer_tail [2020-10-27 07:40:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2020-10-27 07:40:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2020-10-27 07:40:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure osst_probe [2020-10-27 07:40:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure osst_remove [2020-10-27 07:40:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2020-10-27 07:40:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2020-10-27 07:40:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2020-10-27 07:40:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2020-10-27 07:40:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2020-10-27 07:40:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2020-10-27 07:40:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure osst_analyze_sense [2020-10-27 07:40:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2020-10-27 07:40:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_end_async [2020-10-27 07:40:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_allocate_request [2020-10-27 07:40:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2020-10-27 07:40:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_execute [2020-10-27 07:40:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 07:40:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 07:40:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 07:40:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2020-10-27 07:40:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2020-10-27 07:40:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2020-10-27 07:40:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2020-10-27 07:40:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-27 07:40:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2020-10-27 07:40:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_for_medium [2020-10-27 07:40:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2020-10-27 07:40:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2020-10-27 07:40:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2020-10-27 07:40:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2020-10-27 07:40:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2020-10-27 07:40:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2020-10-27 07:40:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2020-10-27 07:40:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2020-10-27 07:40:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_sector [2020-10-27 07:40:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_sector [2020-10-27 07:40:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2020-10-27 07:40:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2020-10-27 07:40:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2020-10-27 07:40:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2020-10-27 07:40:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_fast [2020-10-27 07:40:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2020-10-27 07:40:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2020-10-27 07:40:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filler [2020-10-27 07:40:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2020-10-27 07:40:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2020-10-27 07:40:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2020-10-27 07:40:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2020-10-27 07:40:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure osst_analyze_headers [2020-10-27 07:40:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_position [2020-10-27 07:40:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure osst_parse_firmware_rev [2020-10-27 07:40:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure osst_configure_onstream [2020-10-27 07:40:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2020-10-27 07:40:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2020-10-27 07:40:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2020-10-27 07:40:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2020-10-27 07:40:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2020-10-27 07:40:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure reset_state [2020-10-27 07:40:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2020-10-27 07:40:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read [2020-10-27 07:40:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2020-10-27 07:40:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_options [2020-10-27 07:40:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure __os_scsi_tape_open [2020-10-27 07:40:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_open [2020-10-27 07:40:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2020-10-27 07:40:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_close [2020-10-27 07:40:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure osst_ioctl [2020-10-27 07:40:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure osst_compat_ioctl [2020-10-27 07:40:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-27 07:40:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure validate_options [2020-10-27 07:40:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure osst_supports [2020-10-27 07:40:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure osst_version_show [2020-10-27 07:40:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure osst_create_sysfs_files [2020-10-27 07:40:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure osst_remove_sysfs_files [2020-10-27 07:40:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure osst_adr_rev_show [2020-10-27 07:40:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure osst_linux_media_version_show [2020-10-27 07:40:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure osst_capacity_show [2020-10-27 07:40:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure osst_first_data_ppos_show [2020-10-27 07:40:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure osst_eod_frame_ppos_show [2020-10-27 07:40:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure osst_filemark_cnt_show [2020-10-27 07:40:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_init [2020-10-27 07:40:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2020-10-27 07:40:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2020-10-27 07:40:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2020-10-27 07:40:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure init_osst [2020-10-27 07:40:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure exit_osst [2020-10-27 07:40:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 07:40:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-27 07:40:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-27 07:40:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 07:40:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-27 07:40:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 07:40:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 07:40:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-27 07:40:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-27 07:40:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-27 07:40:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-27 07:40:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-27 07:40:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_osst_tape [2020-10-27 07:40:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_osst_tape [2020-10-27 07:40:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_osst_tape [2020-10-27 07:40:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_osst_tape [2020-10-27 07:40:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_osst_tape [2020-10-27 07:40:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-27 07:40:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-27 07:40:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-27 07:40:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-27 07:40:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_osst_int_mutex [2020-10-27 07:40:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_osst_int_mutex [2020-10-27 07:40:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_osst_int_mutex [2020-10-27 07:40:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_osst_int_mutex [2020-10-27 07:40:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_osst_int_mutex [2020-10-27 07:40:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 07:40:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 07:40:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-27 07:40:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 07:40:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 07:40:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 07:40:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 07:40:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 07:40:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 07:40:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 07:40:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 07:40:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 07:40:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 07:40:53,278 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 07:40:53,278 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 07:40:53,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:40:53 BoogieIcfgContainer [2020-10-27 07:40:53,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 07:40:53,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 07:40:53,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 07:40:53,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 07:40:53,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:40:15" (1/3) ... [2020-10-27 07:40:53,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178fde52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:40:53, skipping insertion in model container [2020-10-27 07:40:53,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:40:20" (2/3) ... [2020-10-27 07:40:53,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178fde52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:40:53, skipping insertion in model container [2020-10-27 07:40:53,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:40:53" (3/3) ... [2020-10-27 07:40:53,299 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2020-10-27 07:40:53,315 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 07:40:53,329 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 07:40:53,343 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 07:40:53,396 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 07:40:53,397 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 07:40:53,397 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 07:40:53,397 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 07:40:53,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 07:40:53,399 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 07:40:53,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 07:40:53,399 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 07:40:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states. [2020-10-27 07:40:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 07:40:53,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 07:40:53,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 07:40:53,512 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 07:40:53,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 07:40:53,528 INFO L82 PathProgramCache]: Analyzing trace with hash -333102772, now seen corresponding path program 1 times [2020-10-27 07:40:53,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 07:40:53,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619047702] [2020-10-27 07:40:53,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 07:40:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:40:54,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:40:58,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:40:59,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:01,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:01,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 07:41:01,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 07:41:01,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7620 [2020-10-27 07:41:01,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:41:01,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 07:41:01,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 07:41:01,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 07:41:15,955 WARN L193 SmtUtils]: Spent 13.62 s on a formula simplification that was a NOOP. DAG size: 1459 [2020-10-27 07:41:15,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 07:41:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:16,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:20,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:20,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:41:20,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:41:20,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4329 [2020-10-27 07:41:20,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:20,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:41:20,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:41:20,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 07:41:20,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:20,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 07:41:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:20,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:20,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:20,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:41:20,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:41:20,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 07:41:20,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:41:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:41:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 07:41:20,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:20,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 07:41:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:20,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:20,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:20,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 07:41:20,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:41:20,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 07:41:20,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:41:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:41:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 07:41:20,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:20,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 07:41:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:20,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:21,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:21,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:21,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 07:41:21,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 07:41:21,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-27 07:41:21,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:41:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 07:41:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 07:41:21,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:21,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:41:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:21,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:21,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:21,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 07:41:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:41:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 07:41:21,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:41:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:41:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 07:41:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:21,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 07:41:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:21,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:21,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:21,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 07:41:21,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:41:21,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 07:41:21,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:41:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:41:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 07:41:21,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:21,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:41:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:21,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:21,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:21,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 07:41:21,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:41:21,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 07:41:21,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:21,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:41:21,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:41:21,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:41:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:41:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:21,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:21,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 07:41:21,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:41:21,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 07:41:21,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:41:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:41:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:41:21,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:21,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 07:41:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:21,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:21,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:21,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 07:41:21,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:41:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 07:41:21,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:41:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:41:21,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:41:21,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:21,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:41:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:41:21,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:41:21,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:41:21,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:41:21,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:41:21,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 07:41:21,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:41:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:41:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:41:21,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:41:21,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:41:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 07:41:21,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619047702] [2020-10-27 07:41:21,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 07:41:21,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 07:41:21,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122674130] [2020-10-27 07:41:21,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 07:41:21,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 07:41:21,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 07:41:21,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 07:41:21,753 INFO L87 Difference]: Start difference. First operand 3501 states. Second operand 11 states. [2020-10-27 07:41:37,471 WARN L193 SmtUtils]: Spent 12.94 s on a formula simplification that was a NOOP. DAG size: 1461