/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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 05:36:12,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 05:36:12,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 05:36:12,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 05:36:12,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 05:36:12,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 05:36:12,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 05:36:12,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 05:36:12,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 05:36:12,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 05:36:12,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 05:36:12,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 05:36:12,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 05:36:12,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 05:36:12,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 05:36:12,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 05:36:12,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 05:36:12,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 05:36:12,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 05:36:12,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 05:36:12,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 05:36:12,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 05:36:12,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 05:36:12,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 05:36:12,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 05:36:12,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 05:36:12,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 05:36:12,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 05:36:12,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 05:36:12,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 05:36:12,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 05:36:12,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 05:36:12,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 05:36:12,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 05:36:12,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 05:36:12,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 05:36:12,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 05:36:12,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 05:36:12,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 05:36:12,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 05:36:12,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 05:36:12,766 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 05:36:12,785 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 05:36:12,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 05:36:12,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 05:36:12,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 05:36:12,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 05:36:12,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 05:36:12,787 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 05:36:12,787 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 05:36:12,787 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 05:36:12,787 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 05:36:12,787 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 05:36:12,787 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 05:36:12,787 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 05:36:12,788 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 05:36:12,788 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 05:36:12,788 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 05:36:12,788 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 05:36:12,788 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 05:36:12,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 05:36:12,789 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 05:36:12,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 05:36:12,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 05:36:12,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 05:36:12,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 05:36:12,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 05:36:12,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 05:36:12,790 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 05:36:12,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 05:36:12,790 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 05:36:12,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 05:36:12,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 05:36:12,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 05:36:12,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:36:12,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 05:36:12,791 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 05:36:12,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 05:36:12,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 05:36:12,791 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 05:36:12,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 05:36:12,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 05:36:12,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 05:36:12,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 05:36:13,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 05:36:13,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 05:36:13,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 05:36:13,029 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 05:36:13,029 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 05:36:13,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2023-04-03 05:36:14,133 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 05:36:14,589 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 05:36:14,589 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2023-04-03 05:36:14,625 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b28afda4a/f565976dac7e4f6594efb43bdf42fa9e/FLAGdaf0f54b6 [2023-04-03 05:36:14,641 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b28afda4a/f565976dac7e4f6594efb43bdf42fa9e [2023-04-03 05:36:14,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 05:36:14,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 05:36:14,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 05:36:14,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 05:36:14,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 05:36:14,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:36:14" (1/1) ... [2023-04-03 05:36:14,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f1856c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:14, skipping insertion in model container [2023-04-03 05:36:14,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:36:14" (1/1) ... [2023-04-03 05:36:14,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 05:36:14,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 05:36:15,884 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2023-04-03 05:36:16,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:36:16,055 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 05:36:16,284 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2023-04-03 05:36:16,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:36:16,358 WARN L667 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:36:16,358 WARN L667 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:36:16,358 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:36:16,364 INFO L208 MainTranslator]: Completed translation [2023-04-03 05:36:16,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16 WrapperNode [2023-04-03 05:36:16,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 05:36:16,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 05:36:16,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 05:36:16,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 05:36:16,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (1/1) ... [2023-04-03 05:36:16,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (1/1) ... [2023-04-03 05:36:16,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (1/1) ... [2023-04-03 05:36:16,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (1/1) ... [2023-04-03 05:36:16,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (1/1) ... [2023-04-03 05:36:16,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (1/1) ... [2023-04-03 05:36:16,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (1/1) ... [2023-04-03 05:36:16,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (1/1) ... [2023-04-03 05:36:16,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 05:36:16,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 05:36:16,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 05:36:16,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 05:36:16,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (1/1) ... [2023-04-03 05:36:16,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:36:16,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:36:16,663 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 05:36:16,673 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 05:36:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 05:36:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 05:36:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 05:36:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 05:36:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 05:36:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 05:36:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure current_top_of_stack [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 05:36:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure need_resched [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 05:36:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 05:36:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-03 05:36:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-04-03 05:36:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2023-04-03 05:36:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2023-04-03 05:36:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 05:36:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 05:36:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-04-03 05:36:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2023-04-03 05:36:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2023-04-03 05:36:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2023-04-03 05:36:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_preempt [2023-04-03 05:36:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2023-04-03 05:36:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2023-04-03 05:36:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2023-04-03 05:36:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_check_status [2023-04-03 05:36:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2023-04-03 05:36:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2023-04-03 05:36:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_read [2023-04-03 05:36:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_open [2023-04-03 05:36:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release [2023-04-03 05:36:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2023-04-03 05:36:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2023-04-03 05:36:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_ioctl [2023-04-03 05:36:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_compat_ioctl [2023-04-03 05:36:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_console_write [2023-04-03 05:36:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2023-04-03 05:36:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_attach [2023-04-03 05:36:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2023-04-03 05:36:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_init [2023-04-03 05:36:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_init_module [2023-04-03 05:36:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_cleanup_module [2023-04-03 05:36:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2023-04-03 05:36:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_parport_driver_1 [2023-04-03 05:36:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 05:36:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-03 05:36:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 05:36:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2023-04-03 05:36:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2023-04-03 05:36:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-03 05:36:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2023-04-03 05:36:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2023-04-03 05:36:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2023-04-03 05:36:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-03 05:36:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2023-04-03 05:36:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-04-03 05:36:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2023-04-03 05:36:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-03 05:36:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2023-04-03 05:36:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2023-04-03 05:36:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_18 [2023-04-03 05:36:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2023-04-03 05:36:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2023-04-03 05:36:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2023-04-03 05:36:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2023-04-03 05:36:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2023-04-03 05:36:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_24 [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 05:36:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 05:36:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 05:36:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 05:36:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 05:36:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-03 05:36:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-03 05:36:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-03 05:36:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-03 05:36:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 05:36:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-03 05:36:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-03 05:36:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-03 05:36:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 05:36:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-03 05:36:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-03 05:36:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-04-03 05:36:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-04-03 05:36:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-04-03 05:36:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-04-03 05:36:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lp_mutex [2023-04-03 05:36:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lp_mutex [2023-04-03 05:36:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2023-04-03 05:36:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lp_mutex [2023-04-03 05:36:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lp_mutex [2023-04-03 05:36:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lp_mutex [2023-04-03 05:36:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2023-04-03 05:36:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lp_mutex [2023-04-03 05:36:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lp_mutex [2023-04-03 05:36:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lp_mutex [2023-04-03 05:36:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lp_mutex [2023-04-03 05:36:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 05:36:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 05:36:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 05:36:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 05:36:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_port_mutex_of_lp_struct [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_port_mutex_of_lp_struct [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_port_mutex_of_lp_struct [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_port_mutex_of_lp_struct [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_port_mutex_of_lp_struct [2023-04-03 05:36:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_port_mutex_of_lp_struct [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_port_mutex_of_lp_struct [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_port_mutex_of_lp_struct [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_port_mutex_of_lp_struct [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 05:36:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __parport_register_driver [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_get_timeval [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_close_1 [2023-04-03 05:36:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 05:36:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_1 [2023-04-03 05:36:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2023-04-03 05:36:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2023-04-03 05:36:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2023-04-03 05:36:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-04-03 05:36:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-03 05:36:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-04-03 05:36:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_read [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_register_device [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_driver [2023-04-03 05:36:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure register_console [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 05:36:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 05:36:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 05:36:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-04-03 05:36:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure current_top_of_stack [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-03 05:36:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 05:36:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 05:36:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 05:36:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 05:36:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 05:36:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 05:36:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 05:36:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 05:36:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_18 [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 05:36:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-03 05:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure need_resched [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_parport_driver_1 [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-04-03 05:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_24 [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure register_console [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2023-04-03 05:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure compat_get_timeval [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure __parport_register_driver [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_driver [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure parport_register_device [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2023-04-03 05:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure parport_read [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure lp_preempt [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure lp_check_status [2023-04-03 05:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_read [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_open [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_ioctl [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_compat_ioctl [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_console_write [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_attach [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_init [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_init_module [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure lp_cleanup_module [2023-04-03 05:36:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_1 [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_close_1 [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 05:36:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lp_mutex [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lp_mutex [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lp_mutex [2023-04-03 05:36:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lp_mutex [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lp_mutex [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lp_mutex [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lp_mutex [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lp_mutex [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lp_mutex [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_port_mutex_of_lp_struct [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_port_mutex_of_lp_struct [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_port_mutex_of_lp_struct [2023-04-03 05:36:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_port_mutex_of_lp_struct [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_port_mutex_of_lp_struct [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_port_mutex_of_lp_struct [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_port_mutex_of_lp_struct [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_port_mutex_of_lp_struct [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_port_mutex_of_lp_struct [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 05:36:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 05:36:17,288 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 05:36:17,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 05:36:17,471 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 05:36:19,097 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 05:36:19,845 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 05:36:19,845 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 05:36:19,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:36:19 BoogieIcfgContainer [2023-04-03 05:36:19,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 05:36:19,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 05:36:19,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 05:36:19,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 05:36:19,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 05:36:14" (1/3) ... [2023-04-03 05:36:19,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6730c3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:36:19, skipping insertion in model container [2023-04-03 05:36:19,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:36:16" (2/3) ... [2023-04-03 05:36:19,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6730c3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:36:19, skipping insertion in model container [2023-04-03 05:36:19,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:36:19" (3/3) ... [2023-04-03 05:36:19,857 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2023-04-03 05:36:19,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 05:36:19,874 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 05:36:19,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 05:36:19,941 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;@74ce5609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 05:36:19,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 05:36:19,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 1186 states, 671 states have (on average 1.2697466467958272) internal successors, (852), 702 states have internal predecessors, (852), 322 states have call successors, (322), 136 states have call predecessors, (322), 135 states have return successors, (316), 316 states have call predecessors, (316), 316 states have call successors, (316) [2023-04-03 05:36:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-03 05:36:19,969 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:19,970 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:19,971 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:19,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:19,975 INFO L85 PathProgramCache]: Analyzing trace with hash -894150701, now seen corresponding path program 1 times [2023-04-03 05:36:19,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:19,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460242270] [2023-04-03 05:36:19,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:19,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-04-03 05:36:20,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:20,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460242270] [2023-04-03 05:36:20,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460242270] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:36:20,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:36:20,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:36:20,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563278760] [2023-04-03 05:36:20,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:36:20,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:36:20,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:36:20,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:36:20,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:36:20,789 INFO L87 Difference]: Start difference. First operand has 1186 states, 671 states have (on average 1.2697466467958272) internal successors, (852), 702 states have internal predecessors, (852), 322 states have call successors, (322), 136 states have call predecessors, (322), 135 states have return successors, (316), 316 states have call predecessors, (316), 316 states have call successors, (316) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-03 05:36:21,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:36:21,411 INFO L93 Difference]: Finished difference Result 2244 states and 2981 transitions. [2023-04-03 05:36:21,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:36:21,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 186 [2023-04-03 05:36:21,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:36:21,430 INFO L225 Difference]: With dead ends: 2244 [2023-04-03 05:36:21,430 INFO L226 Difference]: Without dead ends: 1285 [2023-04-03 05:36:21,441 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 05:36:21,444 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 484 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 2171 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:36:21,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 2171 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:36:21,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2023-04-03 05:36:21,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1242. [2023-04-03 05:36:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 742 states have (on average 1.2991913746630728) internal successors, (964), 764 states have internal predecessors, (964), 329 states have call successors, (329), 174 states have call predecessors, (329), 170 states have return successors, (322), 316 states have call predecessors, (322), 318 states have call successors, (322) [2023-04-03 05:36:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 1615 transitions. [2023-04-03 05:36:21,603 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 1615 transitions. Word has length 186 [2023-04-03 05:36:21,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:36:21,604 INFO L495 AbstractCegarLoop]: Abstraction has 1242 states and 1615 transitions. [2023-04-03 05:36:21,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-03 05:36:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1615 transitions. [2023-04-03 05:36:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-03 05:36:21,610 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:21,610 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:21,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 05:36:21,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:21,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:21,612 INFO L85 PathProgramCache]: Analyzing trace with hash 227769416, now seen corresponding path program 1 times [2023-04-03 05:36:21,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:21,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236309676] [2023-04-03 05:36:21,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:21,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-04-03 05:36:22,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:22,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236309676] [2023-04-03 05:36:22,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236309676] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:36:22,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:36:22,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 05:36:22,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643645956] [2023-04-03 05:36:22,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:36:22,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 05:36:22,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:36:22,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 05:36:22,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 05:36:22,094 INFO L87 Difference]: Start difference. First operand 1242 states and 1615 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 1 states have call successors, (22) [2023-04-03 05:36:23,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:36:23,093 INFO L93 Difference]: Finished difference Result 2468 states and 3208 transitions. [2023-04-03 05:36:23,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 05:36:23,094 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 1 states have call successors, (22) Word has length 186 [2023-04-03 05:36:23,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:36:23,105 INFO L225 Difference]: With dead ends: 2468 [2023-04-03 05:36:23,105 INFO L226 Difference]: Without dead ends: 1271 [2023-04-03 05:36:23,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-04-03 05:36:23,113 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 1263 mSDsluCounter, 4478 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 5595 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 05:36:23,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 5595 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 05:36:23,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2023-04-03 05:36:23,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1258. [2023-04-03 05:36:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 754 states have (on average 1.2944297082228118) internal successors, (976), 774 states have internal predecessors, (976), 329 states have call successors, (329), 174 states have call predecessors, (329), 174 states have return successors, (328), 320 states have call predecessors, (328), 318 states have call successors, (328) [2023-04-03 05:36:23,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1633 transitions. [2023-04-03 05:36:23,194 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1633 transitions. Word has length 186 [2023-04-03 05:36:23,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:36:23,195 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1633 transitions. [2023-04-03 05:36:23,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 1 states have call successors, (22) [2023-04-03 05:36:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1633 transitions. [2023-04-03 05:36:23,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-04-03 05:36:23,202 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:23,202 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:23,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 05:36:23,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:23,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:23,204 INFO L85 PathProgramCache]: Analyzing trace with hash 760165679, now seen corresponding path program 1 times [2023-04-03 05:36:23,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:23,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266355535] [2023-04-03 05:36:23,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:23,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-04-03 05:36:23,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:23,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266355535] [2023-04-03 05:36:23,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266355535] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:36:23,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:36:23,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:36:23,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719941266] [2023-04-03 05:36:23,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:36:23,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:36:23,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:36:23,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:36:23,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:36:23,574 INFO L87 Difference]: Start difference. First operand 1258 states and 1633 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:23,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:36:23,858 INFO L93 Difference]: Finished difference Result 1260 states and 1634 transitions. [2023-04-03 05:36:23,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:36:23,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2023-04-03 05:36:23,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:36:23,865 INFO L225 Difference]: With dead ends: 1260 [2023-04-03 05:36:23,865 INFO L226 Difference]: Without dead ends: 1257 [2023-04-03 05:36:23,866 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 05:36:23,872 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 1216 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:36:23,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 1118 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 05:36:23,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2023-04-03 05:36:23,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1257. [2023-04-03 05:36:23,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 754 states have (on average 1.293103448275862) internal successors, (975), 773 states have internal predecessors, (975), 328 states have call successors, (328), 174 states have call predecessors, (328), 174 states have return successors, (328), 320 states have call predecessors, (328), 318 states have call successors, (328) [2023-04-03 05:36:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1631 transitions. [2023-04-03 05:36:23,942 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1631 transitions. Word has length 193 [2023-04-03 05:36:23,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:36:23,947 INFO L495 AbstractCegarLoop]: Abstraction has 1257 states and 1631 transitions. [2023-04-03 05:36:23,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1631 transitions. [2023-04-03 05:36:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-03 05:36:23,951 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:23,951 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:23,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 05:36:23,952 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:23,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:23,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2089708590, now seen corresponding path program 1 times [2023-04-03 05:36:23,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:23,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122498288] [2023-04-03 05:36:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:23,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-04-03 05:36:24,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:24,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122498288] [2023-04-03 05:36:24,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122498288] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:36:24,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:36:24,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:36:24,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031727876] [2023-04-03 05:36:24,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:36:24,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:36:24,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:36:24,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:36:24,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:36:24,206 INFO L87 Difference]: Start difference. First operand 1257 states and 1631 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:24,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:36:24,541 INFO L93 Difference]: Finished difference Result 1259 states and 1632 transitions. [2023-04-03 05:36:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:36:24,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2023-04-03 05:36:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:36:24,547 INFO L225 Difference]: With dead ends: 1259 [2023-04-03 05:36:24,547 INFO L226 Difference]: Without dead ends: 1256 [2023-04-03 05:36:24,547 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 05:36:24,548 INFO L413 NwaCegarLoop]: 1115 mSDtfsCounter, 1213 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:36:24,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 1116 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 05:36:24,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2023-04-03 05:36:24,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2023-04-03 05:36:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 754 states have (on average 1.2917771883289124) internal successors, (974), 772 states have internal predecessors, (974), 327 states have call successors, (327), 174 states have call predecessors, (327), 174 states have return successors, (328), 320 states have call predecessors, (328), 318 states have call successors, (328) [2023-04-03 05:36:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1629 transitions. [2023-04-03 05:36:24,617 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1629 transitions. Word has length 194 [2023-04-03 05:36:24,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:36:24,618 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 1629 transitions. [2023-04-03 05:36:24,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1629 transitions. [2023-04-03 05:36:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-04-03 05:36:24,620 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:24,620 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:24,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 05:36:24,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:24,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:24,621 INFO L85 PathProgramCache]: Analyzing trace with hash 355870738, now seen corresponding path program 1 times [2023-04-03 05:36:24,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:24,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877674871] [2023-04-03 05:36:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:24,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:24,919 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-04-03 05:36:24,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:24,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877674871] [2023-04-03 05:36:24,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877674871] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:36:24,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:36:24,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:36:24,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509151928] [2023-04-03 05:36:24,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:36:24,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:36:24,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:36:24,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:36:24,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:36:24,921 INFO L87 Difference]: Start difference. First operand 1256 states and 1629 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:25,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:36:25,250 INFO L93 Difference]: Finished difference Result 1381 states and 1753 transitions. [2023-04-03 05:36:25,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:36:25,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2023-04-03 05:36:25,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:36:25,258 INFO L225 Difference]: With dead ends: 1381 [2023-04-03 05:36:25,258 INFO L226 Difference]: Without dead ends: 1377 [2023-04-03 05:36:25,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:36:25,259 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 991 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:36:25,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 1413 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 05:36:25,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2023-04-03 05:36:25,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1373. [2023-04-03 05:36:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 817 states have (on average 1.2753977968176256) internal successors, (1042), 835 states have internal predecessors, (1042), 350 states have call successors, (350), 205 states have call predecessors, (350), 205 states have return successors, (353), 345 states have call predecessors, (353), 343 states have call successors, (353) [2023-04-03 05:36:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1745 transitions. [2023-04-03 05:36:25,398 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1745 transitions. Word has length 195 [2023-04-03 05:36:25,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:36:25,398 INFO L495 AbstractCegarLoop]: Abstraction has 1373 states and 1745 transitions. [2023-04-03 05:36:25,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:25,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1745 transitions. [2023-04-03 05:36:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-04-03 05:36:25,401 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:25,401 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:25,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 05:36:25,402 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:25,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:25,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1853490255, now seen corresponding path program 1 times [2023-04-03 05:36:25,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:25,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700226190] [2023-04-03 05:36:25,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:25,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:25,672 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-04-03 05:36:25,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:25,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700226190] [2023-04-03 05:36:25,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700226190] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:36:25,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:36:25,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:36:25,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234036307] [2023-04-03 05:36:25,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:36:25,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:36:25,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:36:25,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:36:25,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:36:25,674 INFO L87 Difference]: Start difference. First operand 1373 states and 1745 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:26,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:36:26,082 INFO L93 Difference]: Finished difference Result 1375 states and 1746 transitions. [2023-04-03 05:36:26,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:36:26,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2023-04-03 05:36:26,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:36:26,089 INFO L225 Difference]: With dead ends: 1375 [2023-04-03 05:36:26,089 INFO L226 Difference]: Without dead ends: 1372 [2023-04-03 05:36:26,090 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 05:36:26,090 INFO L413 NwaCegarLoop]: 1109 mSDtfsCounter, 1205 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 05:36:26,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1205 Valid, 1110 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 05:36:26,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2023-04-03 05:36:26,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1372. [2023-04-03 05:36:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 817 states have (on average 1.2741738066095472) internal successors, (1041), 834 states have internal predecessors, (1041), 349 states have call successors, (349), 205 states have call predecessors, (349), 205 states have return successors, (353), 345 states have call predecessors, (353), 343 states have call successors, (353) [2023-04-03 05:36:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1743 transitions. [2023-04-03 05:36:26,177 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1743 transitions. Word has length 196 [2023-04-03 05:36:26,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:36:26,178 INFO L495 AbstractCegarLoop]: Abstraction has 1372 states and 1743 transitions. [2023-04-03 05:36:26,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1743 transitions. [2023-04-03 05:36:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-04-03 05:36:26,180 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:26,181 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:26,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 05:36:26,181 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:26,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:26,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1624199435, now seen corresponding path program 1 times [2023-04-03 05:36:26,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:26,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104602672] [2023-04-03 05:36:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:26,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-04-03 05:36:26,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:26,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104602672] [2023-04-03 05:36:26,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104602672] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:36:26,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:36:26,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:36:26,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561803922] [2023-04-03 05:36:26,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:36:26,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:36:26,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:36:26,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:36:26,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:36:26,563 INFO L87 Difference]: Start difference. First operand 1372 states and 1743 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:27,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:36:27,145 INFO L93 Difference]: Finished difference Result 2406 states and 3055 transitions. [2023-04-03 05:36:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:36:27,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 197 [2023-04-03 05:36:27,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:36:27,158 INFO L225 Difference]: With dead ends: 2406 [2023-04-03 05:36:27,158 INFO L226 Difference]: Without dead ends: 2364 [2023-04-03 05:36:27,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:36:27,161 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 883 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:36:27,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 2159 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:36:27,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2364 states. [2023-04-03 05:36:27,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2364 to 2359. [2023-04-03 05:36:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2359 states, 1421 states have (on average 1.2779732582688248) internal successors, (1816), 1446 states have internal predecessors, (1816), 577 states have call successors, (577), 361 states have call predecessors, (577), 360 states have return successors, (605), 571 states have call predecessors, (605), 571 states have call successors, (605) [2023-04-03 05:36:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2359 states and 2998 transitions. [2023-04-03 05:36:27,314 INFO L78 Accepts]: Start accepts. Automaton has 2359 states and 2998 transitions. Word has length 197 [2023-04-03 05:36:27,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:36:27,314 INFO L495 AbstractCegarLoop]: Abstraction has 2359 states and 2998 transitions. [2023-04-03 05:36:27,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 05:36:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 2998 transitions. [2023-04-03 05:36:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-04-03 05:36:27,319 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:27,319 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:36:27,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 05:36:27,320 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:27,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:27,320 INFO L85 PathProgramCache]: Analyzing trace with hash 768288487, now seen corresponding path program 1 times [2023-04-03 05:36:27,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:27,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839170173] [2023-04-03 05:36:27,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:27,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-04-03 05:36:27,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:27,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839170173] [2023-04-03 05:36:27,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839170173] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:36:27,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:36:27,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:36:27,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284954485] [2023-04-03 05:36:27,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:36:27,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:36:27,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:36:27,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:36:27,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:36:27,678 INFO L87 Difference]: Start difference. First operand 2359 states and 2998 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 05:36:28,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:36:28,205 INFO L93 Difference]: Finished difference Result 4683 states and 5978 transitions. [2023-04-03 05:36:28,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:36:28,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 266 [2023-04-03 05:36:28,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:36:28,217 INFO L225 Difference]: With dead ends: 4683 [2023-04-03 05:36:28,217 INFO L226 Difference]: Without dead ends: 2369 [2023-04-03 05:36:28,226 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 05:36:28,227 INFO L413 NwaCegarLoop]: 1109 mSDtfsCounter, 1 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:36:28,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2212 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:36:28,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2023-04-03 05:36:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2361. [2023-04-03 05:36:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2361 states, 1423 states have (on average 1.2775825720309206) internal successors, (1818), 1448 states have internal predecessors, (1818), 577 states have call successors, (577), 361 states have call predecessors, (577), 360 states have return successors, (605), 571 states have call predecessors, (605), 571 states have call successors, (605) [2023-04-03 05:36:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2361 states and 3000 transitions. [2023-04-03 05:36:28,384 INFO L78 Accepts]: Start accepts. Automaton has 2361 states and 3000 transitions. Word has length 266 [2023-04-03 05:36:28,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:36:28,384 INFO L495 AbstractCegarLoop]: Abstraction has 2361 states and 3000 transitions. [2023-04-03 05:36:28,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 05:36:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 3000 transitions. [2023-04-03 05:36:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-04-03 05:36:28,389 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:28,389 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:36:28,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 05:36:28,389 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:28,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:28,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1120484082, now seen corresponding path program 1 times [2023-04-03 05:36:28,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:28,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213948648] [2023-04-03 05:36:28,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:28,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:28,807 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2023-04-03 05:36:28,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:28,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213948648] [2023-04-03 05:36:28,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213948648] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:36:28,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273327882] [2023-04-03 05:36:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:28,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:36:28,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:36:28,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:36:28,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 05:36:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:29,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 05:36:29,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:36:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2023-04-03 05:36:29,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 05:36:29,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273327882] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:36:29,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 05:36:29,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-04-03 05:36:29,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670076789] [2023-04-03 05:36:29,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:36:29,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:36:29,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:36:29,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:36:29,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-03 05:36:29,720 INFO L87 Difference]: Start difference. First operand 2361 states and 3000 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 05:36:30,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:36:30,214 INFO L93 Difference]: Finished difference Result 4688 states and 5950 transitions. [2023-04-03 05:36:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:36:30,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 277 [2023-04-03 05:36:30,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:36:30,229 INFO L225 Difference]: With dead ends: 4688 [2023-04-03 05:36:30,230 INFO L226 Difference]: Without dead ends: 2370 [2023-04-03 05:36:30,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-03 05:36:30,239 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 9 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2222 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 05:36:30,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2222 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 05:36:30,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2023-04-03 05:36:30,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2351. [2023-04-03 05:36:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2351 states, 1415 states have (on average 1.2763250883392225) internal successors, (1806), 1439 states have internal predecessors, (1806), 577 states have call successors, (577), 361 states have call predecessors, (577), 358 states have return successors, (601), 568 states have call predecessors, (601), 571 states have call successors, (601) [2023-04-03 05:36:30,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2351 states and 2984 transitions. [2023-04-03 05:36:30,439 INFO L78 Accepts]: Start accepts. Automaton has 2351 states and 2984 transitions. Word has length 277 [2023-04-03 05:36:30,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:36:30,440 INFO L495 AbstractCegarLoop]: Abstraction has 2351 states and 2984 transitions. [2023-04-03 05:36:30,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 05:36:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2984 transitions. [2023-04-03 05:36:30,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-04-03 05:36:30,446 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:36:30,446 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:30,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 05:36:30,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:36:30,658 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:36:30,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:36:30,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1576229993, now seen corresponding path program 1 times [2023-04-03 05:36:30,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:36:30,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950606179] [2023-04-03 05:36:30,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:30,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:36:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2023-04-03 05:36:31,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:36:31,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950606179] [2023-04-03 05:36:31,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950606179] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:36:31,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981814275] [2023-04-03 05:36:31,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:36:31,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:36:31,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:36:31,049 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:36:31,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 05:36:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:36:31,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 3090 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 05:36:31,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:36:32,075 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 183 proven. 1 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2023-04-03 05:36:32,076 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 05:36:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2023-04-03 05:36:32,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981814275] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 05:36:32,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1092787288] [2023-04-03 05:36:32,607 INFO L159 IcfgInterpreter]: Started Sifa with 151 locations of interest [2023-04-03 05:36:32,607 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 05:36:32,610 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 05:36:32,615 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 05:36:32,615 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 05:36:37,900 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 133 for LOIs [2023-04-03 05:36:39,930 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 149 for LOIs [2023-04-03 05:36:40,896 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2023-04-03 05:36:42,097 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2023-04-03 05:37:03,411 WARN L223 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 3768 DAG size of output: 122 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:37:09,738 WARN L223 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 3768 DAG size of output: 122 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:37:15,770 WARN L223 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 3768 DAG size of output: 122 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:37:25,617 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 126 for LOIs [2023-04-03 05:37:26,050 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 136 for LOIs [2023-04-03 05:37:26,175 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_initialize with input of size 94 for LOIs [2023-04-03 05:37:26,185 INFO L197 IcfgInterpreter]: Interpreting procedure lp_init_module with input of size 123 for LOIs [2023-04-03 05:37:26,701 INFO L197 IcfgInterpreter]: Interpreting procedure lp_init with input of size 146 for LOIs [2023-04-03 05:37:42,174 WARN L223 SmtUtils]: Spent 14.70s on a formula simplification. DAG size of input: 5748 DAG size of output: 156 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:37:56,921 WARN L223 SmtUtils]: Spent 14.70s on a formula simplification. DAG size of input: 5748 DAG size of output: 156 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:38:11,758 WARN L223 SmtUtils]: Spent 14.79s on a formula simplification. DAG size of input: 5748 DAG size of output: 156 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:38:27,333 WARN L223 SmtUtils]: Spent 14.36s on a formula simplification. DAG size of input: 5742 DAG size of output: 166 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:38:43,386 WARN L223 SmtUtils]: Spent 14.50s on a formula simplification. DAG size of input: 5742 DAG size of output: 166 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:38:57,931 WARN L223 SmtUtils]: Spent 14.49s on a formula simplification. DAG size of input: 5742 DAG size of output: 166 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:39:12,373 WARN L223 SmtUtils]: Spent 14.40s on a formula simplification. DAG size of input: 5742 DAG size of output: 166 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:39:28,073 WARN L223 SmtUtils]: Spent 15.12s on a formula simplification. DAG size of input: 6212 DAG size of output: 248 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:39:43,279 WARN L223 SmtUtils]: Spent 15.15s on a formula simplification. DAG size of input: 6212 DAG size of output: 248 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:39:58,610 WARN L223 SmtUtils]: Spent 14.98s on a formula simplification. DAG size of input: 5924 DAG size of output: 180 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:40:14,090 WARN L223 SmtUtils]: Spent 15.01s on a formula simplification. DAG size of input: 5924 DAG size of output: 180 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 05:40:14,211 INFO L197 IcfgInterpreter]: Interpreting procedure printk with input of size 111 for LOIs [2023-04-03 05:40:14,230 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_register_chrdev_24 with input of size 125 for LOIs [2023-04-03 05:40:14,687 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_file_operations_3 with input of size 111 for LOIs [2023-04-03 05:40:19,408 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 139 for LOIs [2023-04-03 05:40:25,254 WARN L223 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 3656 DAG size of output: 158 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)