/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 04:36:13,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 04:36:13,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 04:36:13,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 04:36:13,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 04:36:13,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 04:36:13,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 04:36:13,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 04:36:13,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 04:36:13,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 04:36:13,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 04:36:13,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 04:36:13,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 04:36:13,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 04:36:13,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 04:36:13,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 04:36:13,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 04:36:13,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 04:36:13,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 04:36:13,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 04:36:13,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 04:36:13,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 04:36:13,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 04:36:13,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 04:36:13,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 04:36:13,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 04:36:13,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 04:36:13,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 04:36:13,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 04:36:13,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 04:36:13,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 04:36:13,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 04:36:13,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 04:36:13,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 04:36:13,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 04:36:13,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 04:36:13,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 04:36:13,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 04:36:13,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 04:36:13,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 04:36:13,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 04:36:13,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 04:36:13,606 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 04:36:13,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 04:36:13,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 04:36:13,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 04:36:13,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 04:36:13,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 04:36:13,607 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 04:36:13,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 04:36:13,608 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 04:36:13,608 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 04:36:13,608 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 04:36:13,608 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 04:36:13,608 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 04:36:13,609 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 04:36:13,609 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 04:36:13,609 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 04:36:13,609 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 04:36:13,609 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 04:36:13,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 04:36:13,609 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 04:36:13,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 04:36:13,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 04:36:13,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 04:36:13,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 04:36:13,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 04:36:13,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 04:36:13,610 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 04:36:13,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 04:36:13,610 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 04:36:13,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 04:36:13,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:36:13,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 04:36:13,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 04:36:13,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 04:36:13,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 04:36:13,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 04:36:13,818 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 04:36:13,820 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 04:36:13,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i [2023-04-03 04:36:14,806 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 04:36:15,269 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 04:36:15,270 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i [2023-04-03 04:36:15,303 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d0f64695/7e86f37106e842f58563571ef9788677/FLAG68893d828 [2023-04-03 04:36:15,317 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d0f64695/7e86f37106e842f58563571ef9788677 [2023-04-03 04:36:15,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 04:36:15,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 04:36:15,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 04:36:15,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 04:36:15,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 04:36:15,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:36:15" (1/1) ... [2023-04-03 04:36:15,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc67b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:15, skipping insertion in model container [2023-04-03 04:36:15,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:36:15" (1/1) ... [2023-04-03 04:36:15,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 04:36:15,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 04:36:17,502 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i[269371,269384] [2023-04-03 04:36:17,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:36:17,709 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 04:36:18,008 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i[269371,269384] [2023-04-03 04:36:18,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:36:18,085 WARN L667 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:36:18,085 WARN L667 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:36:18,086 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:36:18,086 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:36:18,091 INFO L208 MainTranslator]: Completed translation [2023-04-03 04:36:18,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18 WrapperNode [2023-04-03 04:36:18,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 04:36:18,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 04:36:18,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 04:36:18,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 04:36:18,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (1/1) ... [2023-04-03 04:36:18,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (1/1) ... [2023-04-03 04:36:18,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (1/1) ... [2023-04-03 04:36:18,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (1/1) ... [2023-04-03 04:36:18,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (1/1) ... [2023-04-03 04:36:18,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (1/1) ... [2023-04-03 04:36:18,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (1/1) ... [2023-04-03 04:36:18,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (1/1) ... [2023-04-03 04:36:18,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 04:36:18,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 04:36:18,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 04:36:18,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 04:36:18,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (1/1) ... [2023-04-03 04:36:18,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:36:18,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:36:18,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 04:36:18,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 04:36:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 04:36:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 04:36:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:36:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-03 04:36:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 04:36:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 04:36:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-03 04:36:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-04-03 04:36:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageDirty [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2023-04-03 04:36:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload_end [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_get [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure st_incompatible [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure st_analyze_sense [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure st_allocate_request [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure st_scsi_execute_end [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure st_scsi_execute [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2023-04-03 04:36:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_state [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ready [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure st_open [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure read_tape [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure st_read [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure st_set_options [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2023-04-03 04:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nbr_partitions [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure partition_tape [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure st_ioctl [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compat_ioctl [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure new_tape_buffer [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_buffer [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure from_buffer [2023-04-03 04:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure move_buffer_data [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_options [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cdevs [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure st_probe [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure st_remove [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_release [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure init_st [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_st [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure st_try_direct_io_show [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure st_fixed_buffer_size_show [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure st_max_sg_segs_show [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure st_version_show [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure do_create_sysfs_files [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure do_remove_sysfs_files [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure defined_show [2023-04-03 04:36:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure default_blksize_show [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure default_density_show [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure default_compression_show [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure options_show [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_map_user_pages [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_unmap_user_pages [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2023-04-03 04:36:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_scsi_tape [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_scsi_tape [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_scsi_tape [2023-04-03 04:36:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_scsi_tape [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_scsi_tape [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_scsi_tape [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_st_ref_mutex [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_st_ref_mutex [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_st_ref_mutex [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_st_ref_mutex [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_st_ref_mutex [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_st_ref_mutex [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_st_ref_mutex [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_put_request [2023-04-03 04:36:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_register [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq_nowait [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_queue [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_request [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_queue [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_user [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_unmap_user [2023-04-03 04:36:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_alloc [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload [2023-04-03 04:36:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2023-04-03 04:36:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_get [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_get_sense_info_fld [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_nonblockable_ioctl [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_normalize_sense [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_register_driver [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sense_desc_find [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 04:36:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 04:36:18,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 04:36:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2023-04-03 04:36:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-03 04:36:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_scsi_tape [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_st_ref_mutex [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_st_ref_mutex [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-04-03 04:36:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-03 04:36:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageDirty [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure __class_register [2023-04-03 04:36:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_put_request [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_user [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_unmap_user [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq_nowait [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2023-04-03 04:36:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_queue [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_queue [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_alloc [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload_end [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_get [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_register_driver [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-04-03 04:36:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_normalize_sense [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sense_desc_find [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_get_sense_info_fld [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_nonblockable_ioctl [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure clear_buffer [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure from_buffer [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure move_buffer_data [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_map_user_pages [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_unmap_user_pages [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure st_probe [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure st_remove [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure do_create_sysfs_files [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure do_remove_sysfs_files [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2023-04-03 04:36:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_release [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_get [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_incompatible [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_analyze_sense [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_allocate_request [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_scsi_execute_end [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_scsi_execute [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-04-03 04:36:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure reset_state [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure test_ready [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure st_open [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure st_release [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure read_tape [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure st_read [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure st_set_options [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure nbr_partitions [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure partition_tape [2023-04-03 04:36:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure st_ioctl [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure st_compat_ioctl [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure new_tape_buffer [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure validate_options [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure create_cdevs [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure init_st [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure exit_st [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure st_try_direct_io_show [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure st_fixed_buffer_size_show [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure st_max_sg_segs_show [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure st_version_show [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure defined_show [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure default_blksize_show [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure default_density_show [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure default_compression_show [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure options_show [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-04-03 04:36:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_scsi_tape [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_scsi_tape [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_scsi_tape [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_scsi_tape [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_scsi_tape [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_st_ref_mutex [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_st_ref_mutex [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_st_ref_mutex [2023-04-03 04:36:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_st_ref_mutex [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_st_ref_mutex [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 04:36:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 04:36:19,215 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 04:36:19,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 04:36:26,447 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 04:36:30,819 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 04:36:30,819 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 04:36:30,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:36:30 BoogieIcfgContainer [2023-04-03 04:36:30,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 04:36:30,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 04:36:30,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 04:36:30,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 04:36:30,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 04:36:15" (1/3) ... [2023-04-03 04:36:30,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4822a125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:36:30, skipping insertion in model container [2023-04-03 04:36:30,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:36:18" (2/3) ... [2023-04-03 04:36:30,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4822a125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:36:30, skipping insertion in model container [2023-04-03 04:36:30,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:36:30" (3/3) ... [2023-04-03 04:36:30,829 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i [2023-04-03 04:36:30,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 04:36:30,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 04:36:30,904 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 04:36:30,909 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25516eb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 04:36:30,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 04:36:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 1953 states, 1209 states have (on average 1.3515301902398678) internal successors, (1634), 1236 states have internal predecessors, (1634), 510 states have call successors, (510), 202 states have call predecessors, (510), 202 states have return successors, (510), 510 states have call predecessors, (510), 510 states have call successors, (510) [2023-04-03 04:36:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-04-03 04:36:30,923 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:36:30,924 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:36:30,924 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:36:30,927 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:36:30,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1485828081, now seen corresponding path program 1 times [2023-04-03 04:36:30,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:36:30,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410623661] [2023-04-03 04:36:30,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:36:30,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:36:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:36:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 04:36:31,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:36:31,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410623661] [2023-04-03 04:36:31,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410623661] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:36:31,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:36:31,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:36:31,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058652065] [2023-04-03 04:36:31,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:36:31,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:36:31,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:36:31,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:36:31,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:36:31,450 INFO L87 Difference]: Start difference. First operand has 1953 states, 1209 states have (on average 1.3515301902398678) internal successors, (1634), 1236 states have internal predecessors, (1634), 510 states have call successors, (510), 202 states have call predecessors, (510), 202 states have return successors, (510), 510 states have call predecessors, (510), 510 states have call successors, (510) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:36:34,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:38,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:40,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:42,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:44,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:46,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:47,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:36:47,089 INFO L93 Difference]: Finished difference Result 3699 states and 5158 transitions. [2023-04-03 04:36:47,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:36:47,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 37 [2023-04-03 04:36:47,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:36:47,112 INFO L225 Difference]: With dead ends: 3699 [2023-04-03 04:36:47,112 INFO L226 Difference]: Without dead ends: 1876 [2023-04-03 04:36:47,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:36:47,136 INFO L413 NwaCegarLoop]: 2242 mSDtfsCounter, 2582 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2023-04-03 04:36:47,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 2247 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 349 Invalid, 5 Unknown, 0 Unchecked, 15.4s Time] [2023-04-03 04:36:47,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2023-04-03 04:36:47,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1876. [2023-04-03 04:36:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1171 states have (on average 1.3561058923996585) internal successors, (1588), 1195 states have internal predecessors, (1588), 505 states have call successors, (505), 202 states have call predecessors, (505), 199 states have return successors, (496), 496 states have call predecessors, (496), 496 states have call successors, (496) [2023-04-03 04:36:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2589 transitions. [2023-04-03 04:36:47,293 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2589 transitions. Word has length 37 [2023-04-03 04:36:47,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:36:47,294 INFO L495 AbstractCegarLoop]: Abstraction has 1876 states and 2589 transitions. [2023-04-03 04:36:47,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:36:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2589 transitions. [2023-04-03 04:36:47,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-04-03 04:36:47,296 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:36:47,296 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:36:47,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 04:36:47,296 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:36:47,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:36:47,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1184858534, now seen corresponding path program 1 times [2023-04-03 04:36:47,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:36:47,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519723564] [2023-04-03 04:36:47,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:36:47,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:36:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:36:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 04:36:47,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:36:47,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519723564] [2023-04-03 04:36:47,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519723564] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:36:47,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:36:47,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:36:47,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237263092] [2023-04-03 04:36:47,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:36:47,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:36:47,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:36:47,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:36:47,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:36:47,463 INFO L87 Difference]: Start difference. First operand 1876 states and 2589 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:36:54,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:56,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:58,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:00,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:02,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:04,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:06,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:08,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:10,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:12,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:14,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:17,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:19,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:21,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:22,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:37:22,686 INFO L93 Difference]: Finished difference Result 3060 states and 4168 transitions. [2023-04-03 04:37:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:37:22,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 38 [2023-04-03 04:37:22,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:37:22,703 INFO L225 Difference]: With dead ends: 3060 [2023-04-03 04:37:22,703 INFO L226 Difference]: Without dead ends: 3056 [2023-04-03 04:37:22,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:37:22,705 INFO L413 NwaCegarLoop]: 2717 mSDtfsCounter, 1693 mSDsluCounter, 2107 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 4 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 4824 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2023-04-03 04:37:22,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 4824 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 770 Invalid, 12 Unknown, 0 Unchecked, 35.0s Time] [2023-04-03 04:37:22,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2023-04-03 04:37:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 3052. [2023-04-03 04:37:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3052 states, 1874 states have (on average 1.336179295624333) internal successors, (2504), 1909 states have internal predecessors, (2504), 830 states have call successors, (830), 355 states have call predecessors, (830), 347 states have return successors, (826), 814 states have call predecessors, (826), 820 states have call successors, (826) [2023-04-03 04:37:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4160 transitions. [2023-04-03 04:37:22,930 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 4160 transitions. Word has length 38 [2023-04-03 04:37:22,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:37:22,931 INFO L495 AbstractCegarLoop]: Abstraction has 3052 states and 4160 transitions. [2023-04-03 04:37:22,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:37:22,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 4160 transitions. [2023-04-03 04:37:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-04-03 04:37:22,934 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:37:22,934 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:37:22,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 04:37:22,935 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:37:22,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:37:22,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1923207188, now seen corresponding path program 1 times [2023-04-03 04:37:22,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:37:22,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420641154] [2023-04-03 04:37:22,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:37:22,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:37:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:37:23,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 04:37:23,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:37:23,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420641154] [2023-04-03 04:37:23,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420641154] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:37:23,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:37:23,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:37:23,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398198610] [2023-04-03 04:37:23,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:37:23,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:37:23,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:37:23,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:37:23,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:37:23,101 INFO L87 Difference]: Start difference. First operand 3052 states and 4160 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:37:27,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:29,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:31,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:33,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:35,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:37,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:38,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:37:38,178 INFO L93 Difference]: Finished difference Result 3054 states and 4161 transitions. [2023-04-03 04:37:38,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:37:38,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 39 [2023-04-03 04:37:38,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:37:38,201 INFO L225 Difference]: With dead ends: 3054 [2023-04-03 04:37:38,201 INFO L226 Difference]: Without dead ends: 3051 [2023-04-03 04:37:38,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:37:38,205 INFO L413 NwaCegarLoop]: 2235 mSDtfsCounter, 2572 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2572 SdHoareTripleChecker+Valid, 2240 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-04-03 04:37:38,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2572 Valid, 2240 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 349 Invalid, 4 Unknown, 0 Unchecked, 15.0s Time] [2023-04-03 04:37:38,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2023-04-03 04:37:38,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3051. [2023-04-03 04:37:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3051 states, 1874 states have (on average 1.3356456776947705) internal successors, (2503), 1908 states have internal predecessors, (2503), 829 states have call successors, (829), 355 states have call predecessors, (829), 347 states have return successors, (826), 814 states have call predecessors, (826), 820 states have call successors, (826) [2023-04-03 04:37:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 4158 transitions. [2023-04-03 04:37:38,327 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 4158 transitions. Word has length 39 [2023-04-03 04:37:38,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:37:38,327 INFO L495 AbstractCegarLoop]: Abstraction has 3051 states and 4158 transitions. [2023-04-03 04:37:38,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:37:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 4158 transitions. [2023-04-03 04:37:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-04-03 04:37:38,333 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:37:38,333 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:37:38,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 04:37:38,334 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:37:38,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:37:38,334 INFO L85 PathProgramCache]: Analyzing trace with hash -510998371, now seen corresponding path program 1 times [2023-04-03 04:37:38,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:37:38,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508852141] [2023-04-03 04:37:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:37:38,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:37:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:37:38,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 04:37:38,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:37:38,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508852141] [2023-04-03 04:37:38,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508852141] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:37:38,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:37:38,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:37:38,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231895651] [2023-04-03 04:37:38,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:37:38,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:37:38,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:37:38,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:37:38,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:37:38,495 INFO L87 Difference]: Start difference. First operand 3051 states and 4158 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:37:40,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:43,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:45,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:47,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:50,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:52,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:54,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:57,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:37:57,379 INFO L93 Difference]: Finished difference Result 3135 states and 4228 transitions. [2023-04-03 04:37:57,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:37:57,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 40 [2023-04-03 04:37:57,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:37:57,396 INFO L225 Difference]: With dead ends: 3135 [2023-04-03 04:37:57,396 INFO L226 Difference]: Without dead ends: 3110 [2023-04-03 04:37:57,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:37:57,401 INFO L413 NwaCegarLoop]: 2231 mSDtfsCounter, 2381 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2381 SdHoareTripleChecker+Valid, 2426 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2023-04-03 04:37:57,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2381 Valid, 2426 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 377 Invalid, 7 Unknown, 0 Unchecked, 18.8s Time] [2023-04-03 04:37:57,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2023-04-03 04:37:57,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 3108. [2023-04-03 04:37:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3108 states, 1911 states have (on average 1.3265306122448979) internal successors, (2535), 1942 states have internal predecessors, (2535), 825 states have call successors, (825), 378 states have call predecessors, (825), 371 states have return successors, (825), 813 states have call predecessors, (825), 819 states have call successors, (825) [2023-04-03 04:37:57,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 3108 states and 4185 transitions. [2023-04-03 04:37:57,637 INFO L78 Accepts]: Start accepts. Automaton has 3108 states and 4185 transitions. Word has length 40 [2023-04-03 04:37:57,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:37:57,638 INFO L495 AbstractCegarLoop]: Abstraction has 3108 states and 4185 transitions. [2023-04-03 04:37:57,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:37:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3108 states and 4185 transitions. [2023-04-03 04:37:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-04-03 04:37:57,642 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:37:57,642 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:37:57,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 04:37:57,642 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:37:57,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:37:57,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1680895163, now seen corresponding path program 1 times [2023-04-03 04:37:57,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:37:57,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928824022] [2023-04-03 04:37:57,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:37:57,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:37:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:37:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-03 04:37:57,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:37:57,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928824022] [2023-04-03 04:37:57,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928824022] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:37:57,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:37:57,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 04:37:57,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209566205] [2023-04-03 04:37:57,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:37:58,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 04:37:58,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:37:58,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 04:37:58,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 04:37:58,000 INFO L87 Difference]: Start difference. First operand 3108 states and 4185 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 04:38:01,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:05,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:07,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:09,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:12,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:14,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:16,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:18,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:20,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:24,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:26,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:28,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:30,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:32,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:35,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:37,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:38,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:39,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:41,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:44,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:46,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:48,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:50,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:52,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:54,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:56,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:01,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:03,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:05,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:07,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:09,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:10,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:39:10,203 INFO L93 Difference]: Finished difference Result 6145 states and 8282 transitions. [2023-04-03 04:39:10,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 04:39:10,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 81 [2023-04-03 04:39:10,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:39:10,214 INFO L225 Difference]: With dead ends: 6145 [2023-04-03 04:39:10,215 INFO L226 Difference]: Without dead ends: 3094 [2023-04-03 04:39:10,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-03 04:39:10,225 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 4 mSDsluCounter, 8881 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 4 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11107 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.0s IncrementalHoareTripleChecker+Time [2023-04-03 04:39:10,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11107 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1757 Invalid, 22 Unknown, 0 Unchecked, 72.0s Time] [2023-04-03 04:39:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2023-04-03 04:39:10,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3094. [2023-04-03 04:39:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3094 states, 1905 states have (on average 1.3254593175853018) internal successors, (2525), 1934 states have internal predecessors, (2525), 820 states have call successors, (820), 375 states have call predecessors, (820), 368 states have return successors, (820), 808 states have call predecessors, (820), 814 states have call successors, (820) [2023-04-03 04:39:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 3094 states and 4165 transitions. [2023-04-03 04:39:10,329 INFO L78 Accepts]: Start accepts. Automaton has 3094 states and 4165 transitions. Word has length 81 [2023-04-03 04:39:10,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:39:10,329 INFO L495 AbstractCegarLoop]: Abstraction has 3094 states and 4165 transitions. [2023-04-03 04:39:10,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 04:39:10,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 4165 transitions. [2023-04-03 04:39:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-04-03 04:39:10,331 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:39:10,331 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:39:10,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 04:39:10,332 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:39:10,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:39:10,332 INFO L85 PathProgramCache]: Analyzing trace with hash -527715692, now seen corresponding path program 1 times [2023-04-03 04:39:10,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:39:10,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917757889] [2023-04-03 04:39:10,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:39:10,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:39:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:39:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 04:39:10,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:39:10,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917757889] [2023-04-03 04:39:10,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917757889] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:39:10,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:39:10,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:39:10,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228849775] [2023-04-03 04:39:10,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:39:10,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:39:10,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:39:10,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:39:10,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:39:10,567 INFO L87 Difference]: Start difference. First operand 3094 states and 4165 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 04:39:12,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:39:14,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:39:17,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:20,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:22,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:26,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:28,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:31,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:34,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:39:36,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:38,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:39,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:39:39,688 INFO L93 Difference]: Finished difference Result 6198 states and 8387 transitions. [2023-04-03 04:39:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:39:39,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 98 [2023-04-03 04:39:39,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:39:39,703 INFO L225 Difference]: With dead ends: 6198 [2023-04-03 04:39:39,703 INFO L226 Difference]: Without dead ends: 3165 [2023-04-03 04:39:39,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:39:39,714 INFO L413 NwaCegarLoop]: 2206 mSDtfsCounter, 32 mSDsluCounter, 2188 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 6 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4394 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2023-04-03 04:39:39,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4394 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 709 Invalid, 9 Unknown, 0 Unchecked, 28.9s Time] [2023-04-03 04:39:39,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2023-04-03 04:39:39,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 3162. [2023-04-03 04:39:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3162 states, 1951 states have (on average 1.3300871348026653) internal successors, (2595), 1980 states have internal predecessors, (2595), 842 states have call successors, (842), 375 states have call predecessors, (842), 368 states have return successors, (844), 830 states have call predecessors, (844), 836 states have call successors, (844) [2023-04-03 04:39:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 4281 transitions. [2023-04-03 04:39:39,856 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 4281 transitions. Word has length 98 [2023-04-03 04:39:39,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:39:39,857 INFO L495 AbstractCegarLoop]: Abstraction has 3162 states and 4281 transitions. [2023-04-03 04:39:39,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 04:39:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 4281 transitions. [2023-04-03 04:39:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-04-03 04:39:39,859 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:39:39,859 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:39:39,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 04:39:39,860 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:39:39,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:39:39,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1189465297, now seen corresponding path program 1 times [2023-04-03 04:39:39,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:39:39,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949430857] [2023-04-03 04:39:39,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:39:39,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:39:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:39:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 04:39:40,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:39:40,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949430857] [2023-04-03 04:39:40,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949430857] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:39:40,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:39:40,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 04:39:40,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079835459] [2023-04-03 04:39:40,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:39:40,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 04:39:40,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:39:40,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 04:39:40,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-03 04:39:40,484 INFO L87 Difference]: Start difference. First operand 3162 states and 4281 transitions. Second operand has 8 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-03 04:39:43,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:39:46,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:48,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:50,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:53,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:54,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:39:58,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:00,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:02,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:04,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:06,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:08,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:10,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:13,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:17,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:19,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:21,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:26,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:40:28,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:40:31,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:40:33,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:40:35,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:40:37,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:40:39,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []