/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 EqDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 13:57:06,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 13:57:06,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 13:57:06,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 13:57:06,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 13:57:06,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 13:57:06,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 13:57:06,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 13:57:06,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 13:57:06,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 13:57:06,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 13:57:06,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 13:57:06,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 13:57:06,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 13:57:06,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 13:57:06,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 13:57:06,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 13:57:06,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 13:57:06,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 13:57:06,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 13:57:06,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 13:57:06,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 13:57:06,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 13:57:06,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 13:57:06,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 13:57:06,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 13:57:06,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 13:57:06,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 13:57:06,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 13:57:06,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 13:57:06,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 13:57:06,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 13:57:06,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 13:57:06,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 13:57:06,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 13:57:06,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 13:57:06,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 13:57:06,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 13:57:06,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 13:57:06,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 13:57:06,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 13:57:06,423 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 [2023-04-01 13:57:06,445 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 13:57:06,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 13:57:06,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 13:57:06,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 13:57:06,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 13:57:06,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 13:57:06,446 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 13:57:06,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 13:57:06,446 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 13:57:06,447 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 13:57:06,447 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 13:57:06,447 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 13:57:06,447 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 13:57:06,447 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 13:57:06,447 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 13:57:06,447 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 13:57:06,447 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 13:57:06,447 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 13:57:06,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 13:57:06,448 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 13:57:06,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 13:57:06,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 13:57:06,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 13:57:06,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 13:57:06,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 13:57:06,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 13:57:06,449 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 13:57:06,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 13:57:06,449 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 13:57:06,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 13:57:06,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 13:57:06,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 13:57:06,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:57:06,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 13:57:06,449 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 13:57:06,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 13:57:06,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 13:57:06,450 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 13:57:06,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 13:57:06,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 13:57:06,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 13:57:06,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 13:57:06,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 13:57:06,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 13:57:06,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 13:57:06,645 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 13:57:06,645 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 13:57:06,646 INFO L432 ainManager$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-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-04-01 13:57:07,615 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 13:57:08,005 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 13:57:08,006 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-04-01 13:57:08,050 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9f6bc310/a9b782b3b8414190a678e4662b823c96/FLAG27e98aa60 [2023-04-01 13:57:08,062 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9f6bc310/a9b782b3b8414190a678e4662b823c96 [2023-04-01 13:57:08,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 13:57:08,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 13:57:08,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 13:57:08,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 13:57:08,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 13:57:08,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:57:08" (1/1) ... [2023-04-01 13:57:08,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35976948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:08, skipping insertion in model container [2023-04-01 13:57:08,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:57:08" (1/1) ... [2023-04-01 13:57:08,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 13:57:08,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 13:57:09,367 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-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2023-04-01 13:57:09,395 WARN L633 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-04-01 13:57:09,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:57:09,441 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 13:57:09,656 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-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2023-04-01 13:57:09,659 WARN L633 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-04-01 13:57:09,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:57:09,784 WARN L667 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:57:09,784 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:57:09,785 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:57:09,789 INFO L208 MainTranslator]: Completed translation [2023-04-01 13:57:09,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09 WrapperNode [2023-04-01 13:57:09,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 13:57:09,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 13:57:09,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 13:57:09,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 13:57:09,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (1/1) ... [2023-04-01 13:57:09,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (1/1) ... [2023-04-01 13:57:09,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (1/1) ... [2023-04-01 13:57:09,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (1/1) ... [2023-04-01 13:57:10,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (1/1) ... [2023-04-01 13:57:10,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (1/1) ... [2023-04-01 13:57:10,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (1/1) ... [2023-04-01 13:57:10,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (1/1) ... [2023-04-01 13:57:10,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 13:57:10,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 13:57:10,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 13:57:10,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 13:57:10,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (1/1) ... [2023-04-01 13:57:10,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:57:10,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:57:10,126 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) [2023-04-01 13:57:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 13:57:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure div_s64_rem [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_divns [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_to_us [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-01 13:57:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-04-01 13:57:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-04-01 13:57:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-01 13:57:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-01 13:57:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-01 13:57:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 13:57:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 13:57:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-04-01 13:57:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-04-01 13:57:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-01 13:57:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-01 13:57:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-01 13:57:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-01 13:57:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-01 13:57:10,142 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 [2023-04-01 13:57:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-01 13:57:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-04-01 13:57:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2023-04-01 13:57:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-01 13:57:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-01 13:57:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-01 13:57:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-04-01 13:57:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-01 13:57:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_mtt [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-04-01 13:57:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_width_bits [2023-04-01 13:57:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-04-01 13:57:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-04-01 13:57:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-04-01 13:57:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_proc_pdev [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_proc_ndev [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_proc_ring [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_seq_show [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_seq_open [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_create_hwif [2023-04-01 13:57:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_rx_interrupt [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_unarm_rx [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_hard_start_xmit [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_interrupt [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_unarm_tx [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_clock [2023-04-01 13:57:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_clock [2023-04-01 13:57:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-04-01 13:57:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_init_chip [2023-04-01 13:57:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-04-01 13:57:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-04-01 13:57:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-04-01 13:57:10,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2023-04-01 13:57:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_interrupt [2023-04-01 13:57:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2023-04-01 13:57:10,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2023-04-01 13:57:10,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_init [2023-04-01 13:57:10,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_probe [2023-04-01 13:57:10,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-04-01 13:57:10,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_suspend [2023-04-01 13:57:10,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-04-01 13:57:10,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_mod_init [2023-04-01 13:57:10,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_mod_exit [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_2 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_4 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-04-01 13:57:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_37 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_38 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_39 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_40 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2023-04-01 13:57:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_irdadev [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure async_wrap_skb [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-01 13:57:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_set_media_busy [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_init_max_qos_capabilies [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_qos_bits_to_value [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_open [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_2 [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-04-01 13:57:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_size [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-01 13:57:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 13:57:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 13:57:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 13:57:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 13:57:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 13:57:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 13:57:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 13:57:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 13:57:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 13:57:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 13:57:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 13:57:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure div_s64_rem [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 13:57:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_divns [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_to_us [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 13:57:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_2 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_4 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_37 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_38 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_39 [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2023-04-01 13:57:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-01 13:57:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-04-01 13:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-01 13:57:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_40 [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_size [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure irda_init_max_qos_capabilies [2023-04-01 13:57:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure irda_qos_bits_to_value [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_open [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_set_media_busy [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_irdadev [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_mtt [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure async_wrap_skb [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure calc_width_bits [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-04-01 13:57:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_proc_pdev [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_proc_ndev [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_proc_ring [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_seq_show [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_seq_open [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_create_hwif [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_rx_interrupt [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_unarm_rx [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_hard_start_xmit [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_interrupt [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_unarm_tx [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_clock [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_clock [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_init_chip [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-04-01 13:57:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_interrupt [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_init [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_probe [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_suspend [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_mod_init [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_mod_exit [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_2 [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 13:57:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 13:57:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 13:57:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 13:57:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 13:57:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 13:57:10,779 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 13:57:10,783 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 13:57:10,846 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 13:57:16,730 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 13:57:18,198 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 13:57:18,198 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 13:57:18,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:57:18 BoogieIcfgContainer [2023-04-01 13:57:18,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 13:57:18,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 13:57:18,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 13:57:18,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 13:57:18,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:57:08" (1/3) ... [2023-04-01 13:57:18,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e56e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:57:18, skipping insertion in model container [2023-04-01 13:57:18,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:57:09" (2/3) ... [2023-04-01 13:57:18,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e56e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:57:18, skipping insertion in model container [2023-04-01 13:57:18,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:57:18" (3/3) ... [2023-04-01 13:57:18,209 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-04-01 13:57:18,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 13:57:18,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 13:57:18,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 13:57:18,309 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;@4e5dd065, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 13:57:18,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 13:57:18,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 2092 states, 1176 states have (on average 1.2355442176870748) internal successors, (1453), 1222 states have internal predecessors, (1453), 680 states have call successors, (680), 224 states have call predecessors, (680), 223 states have return successors, (673), 671 states have call predecessors, (673), 673 states have call successors, (673) [2023-04-01 13:57:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-01 13:57:18,349 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:57:18,350 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:57:18,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:57:18,355 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:57:18,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1148085932, now seen corresponding path program 1 times [2023-04-01 13:57:18,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:57:18,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518521872] [2023-04-01 13:57:18,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:57:18,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:57:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:57:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-04-01 13:57:18,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:57:18,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518521872] [2023-04-01 13:57:18,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518521872] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:57:18,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:57:18,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:57:18,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388804059] [2023-04-01 13:57:18,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:57:18,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:57:18,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:57:18,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:57:18,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:57:18,997 INFO L87 Difference]: Start difference. First operand has 2092 states, 1176 states have (on average 1.2355442176870748) internal successors, (1453), 1222 states have internal predecessors, (1453), 680 states have call successors, (680), 224 states have call predecessors, (680), 223 states have return successors, (673), 671 states have call predecessors, (673), 673 states have call successors, (673) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-01 13:57:21,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:57:21,762 INFO L93 Difference]: Finished difference Result 4878 states and 6577 transitions. [2023-04-01 13:57:21,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:57:21,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 168 [2023-04-01 13:57:21,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:57:21,804 INFO L225 Difference]: With dead ends: 4878 [2023-04-01 13:57:21,805 INFO L226 Difference]: Without dead ends: 2990 [2023-04-01 13:57:21,816 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 [2023-04-01 13:57:21,818 INFO L413 NwaCegarLoop]: 2267 mSDtfsCounter, 1650 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 4411 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-01 13:57:21,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 4411 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-01 13:57:21,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2023-04-01 13:57:21,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2974. [2023-04-01 13:57:21,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 1703 states have (on average 1.2436876100998238) internal successors, (2118), 1758 states have internal predecessors, (2118), 926 states have call successors, (926), 347 states have call predecessors, (926), 344 states have return successors, (930), 920 states have call predecessors, (930), 924 states have call successors, (930) [2023-04-01 13:57:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 3974 transitions. [2023-04-01 13:57:21,990 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 3974 transitions. Word has length 168 [2023-04-01 13:57:21,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:57:21,991 INFO L495 AbstractCegarLoop]: Abstraction has 2974 states and 3974 transitions. [2023-04-01 13:57:21,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-01 13:57:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 3974 transitions. [2023-04-01 13:57:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-01 13:57:21,996 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:57:21,996 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-04-01 13:57:21,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 13:57:21,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:57:21,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:57:21,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1985479967, now seen corresponding path program 1 times [2023-04-01 13:57:21,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:57:21,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579617094] [2023-04-01 13:57:21,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:57:21,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:57:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:57:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 13:57:22,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:57:22,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579617094] [2023-04-01 13:57:22,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579617094] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:57:22,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:57:22,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:57:22,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064810398] [2023-04-01 13:57:22,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:57:22,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:57:22,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:57:22,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:57:22,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:57:22,695 INFO L87 Difference]: Start difference. First operand 2974 states and 3974 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 13:57:28,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:57:28,721 INFO L93 Difference]: Finished difference Result 8873 states and 11872 transitions. [2023-04-01 13:57:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 13:57:28,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 204 [2023-04-01 13:57:28,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:57:28,748 INFO L225 Difference]: With dead ends: 8873 [2023-04-01 13:57:28,749 INFO L226 Difference]: Without dead ends: 5934 [2023-04-01 13:57:28,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 13:57:28,759 INFO L413 NwaCegarLoop]: 2208 mSDtfsCounter, 2416 mSDsluCounter, 6570 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 8778 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-04-01 13:57:28,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 8778 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-04-01 13:57:28,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5934 states. [2023-04-01 13:57:28,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5934 to 5909. [2023-04-01 13:57:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5909 states, 3387 states have (on average 1.2447593740773546) internal successors, (4216), 3504 states have internal predecessors, (4216), 1836 states have call successors, (1836), 689 states have call predecessors, (1836), 685 states have return successors, (1850), 1818 states have call predecessors, (1850), 1834 states have call successors, (1850) [2023-04-01 13:57:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5909 states to 5909 states and 7902 transitions. [2023-04-01 13:57:28,972 INFO L78 Accepts]: Start accepts. Automaton has 5909 states and 7902 transitions. Word has length 204 [2023-04-01 13:57:28,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:57:28,974 INFO L495 AbstractCegarLoop]: Abstraction has 5909 states and 7902 transitions. [2023-04-01 13:57:28,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 13:57:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 5909 states and 7902 transitions. [2023-04-01 13:57:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-01 13:57:28,982 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:57:28,982 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-04-01 13:57:28,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 13:57:28,982 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:57:28,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:57:28,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1187682694, now seen corresponding path program 1 times [2023-04-01 13:57:28,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:57:28,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716237750] [2023-04-01 13:57:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:57:28,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:57:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:57:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 13:57:29,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:57:29,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716237750] [2023-04-01 13:57:29,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716237750] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:57:29,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:57:29,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:57:29,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544902731] [2023-04-01 13:57:29,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:57:29,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:57:29,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:57:29,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:57:29,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:57:29,559 INFO L87 Difference]: Start difference. First operand 5909 states and 7902 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 13:57:34,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:57:34,706 INFO L93 Difference]: Finished difference Result 12832 states and 17098 transitions. [2023-04-01 13:57:34,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 13:57:34,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 205 [2023-04-01 13:57:34,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:57:34,744 INFO L225 Difference]: With dead ends: 12832 [2023-04-01 13:57:34,744 INFO L226 Difference]: Without dead ends: 8885 [2023-04-01 13:57:34,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 13:57:34,759 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 2412 mSDsluCounter, 6598 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 8821 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-04-01 13:57:34,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 8821 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-04-01 13:57:34,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8885 states. [2023-04-01 13:57:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8885 to 8850. [2023-04-01 13:57:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8850 states, 5079 states have (on average 1.2447332151998425) internal successors, (6322), 5248 states have internal predecessors, (6322), 2744 states have call successors, (2744), 1031 states have call predecessors, (2744), 1026 states have return successors, (2766), 2724 states have call predecessors, (2766), 2742 states have call successors, (2766) [2023-04-01 13:57:35,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8850 states to 8850 states and 11832 transitions. [2023-04-01 13:57:35,150 INFO L78 Accepts]: Start accepts. Automaton has 8850 states and 11832 transitions. Word has length 205 [2023-04-01 13:57:35,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:57:35,150 INFO L495 AbstractCegarLoop]: Abstraction has 8850 states and 11832 transitions. [2023-04-01 13:57:35,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 13:57:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand 8850 states and 11832 transitions. [2023-04-01 13:57:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-01 13:57:35,157 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:57:35,157 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-04-01 13:57:35,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 13:57:35,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:57:35,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:57:35,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1561178556, now seen corresponding path program 1 times [2023-04-01 13:57:35,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:57:35,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197958164] [2023-04-01 13:57:35,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:57:35,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:57:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:57:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 13:57:35,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:57:35,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197958164] [2023-04-01 13:57:35,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197958164] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:57:35,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:57:35,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:57:35,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435797794] [2023-04-01 13:57:35,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:57:35,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:57:35,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:57:35,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:57:35,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:57:35,655 INFO L87 Difference]: Start difference. First operand 8850 states and 11832 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 13:57:40,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:57:40,279 INFO L93 Difference]: Finished difference Result 15783 states and 21032 transitions. [2023-04-01 13:57:40,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 13:57:40,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 206 [2023-04-01 13:57:40,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:57:40,312 INFO L225 Difference]: With dead ends: 15783 [2023-04-01 13:57:40,313 INFO L226 Difference]: Without dead ends: 8893 [2023-04-01 13:57:40,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 13:57:40,329 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 2410 mSDsluCounter, 6598 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 8821 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-04-01 13:57:40,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 8821 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-04-01 13:57:40,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8893 states. [2023-04-01 13:57:40,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8893 to 8858. [2023-04-01 13:57:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8858 states, 5087 states have (on average 1.2443483389030863) internal successors, (6330), 5254 states have internal predecessors, (6330), 2742 states have call successors, (2742), 1033 states have call predecessors, (2742), 1028 states have return successors, (2764), 2724 states have call predecessors, (2764), 2740 states have call successors, (2764) [2023-04-01 13:57:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8858 states to 8858 states and 11836 transitions. [2023-04-01 13:57:40,601 INFO L78 Accepts]: Start accepts. Automaton has 8858 states and 11836 transitions. Word has length 206 [2023-04-01 13:57:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:57:40,602 INFO L495 AbstractCegarLoop]: Abstraction has 8858 states and 11836 transitions. [2023-04-01 13:57:40,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 13:57:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 8858 states and 11836 transitions. [2023-04-01 13:57:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-04-01 13:57:40,607 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:57:40,608 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-04-01 13:57:40,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 13:57:40,608 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:57:40,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:57:40,608 INFO L85 PathProgramCache]: Analyzing trace with hash 409944061, now seen corresponding path program 1 times [2023-04-01 13:57:40,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:57:40,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193910498] [2023-04-01 13:57:40,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:57:40,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:57:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:57:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 13:57:41,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:57:41,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193910498] [2023-04-01 13:57:41,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193910498] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:57:41,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:57:41,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:57:41,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568275882] [2023-04-01 13:57:41,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:57:41,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:57:41,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:57:41,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:57:41,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:57:41,026 INFO L87 Difference]: Start difference. First operand 8858 states and 11836 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 13:57:45,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:57:45,813 INFO L93 Difference]: Finished difference Result 15535 states and 20655 transitions. [2023-04-01 13:57:45,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 13:57:45,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 207 [2023-04-01 13:57:45,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:57:45,842 INFO L225 Difference]: With dead ends: 15535 [2023-04-01 13:57:45,842 INFO L226 Difference]: Without dead ends: 8635 [2023-04-01 13:57:45,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 13:57:45,865 INFO L413 NwaCegarLoop]: 2225 mSDtfsCounter, 2408 mSDsluCounter, 6602 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 8827 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-01 13:57:45,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 8827 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-01 13:57:45,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2023-04-01 13:57:46,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 8606. [2023-04-01 13:57:46,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8606 states, 4940 states have (on average 1.2423076923076923) internal successors, (6137), 5093 states have internal predecessors, (6137), 2650 states have call successors, (2650), 1020 states have call predecessors, (2650), 1015 states have return successors, (2672), 2634 states have call predecessors, (2672), 2648 states have call successors, (2672) [2023-04-01 13:57:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8606 states to 8606 states and 11459 transitions. [2023-04-01 13:57:46,262 INFO L78 Accepts]: Start accepts. Automaton has 8606 states and 11459 transitions. Word has length 207 [2023-04-01 13:57:46,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:57:46,262 INFO L495 AbstractCegarLoop]: Abstraction has 8606 states and 11459 transitions. [2023-04-01 13:57:46,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 13:57:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 8606 states and 11459 transitions. [2023-04-01 13:57:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-04-01 13:57:46,268 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:57:46,268 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 13:57:46,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 13:57:46,269 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:57:46,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:57:46,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2623546, now seen corresponding path program 1 times [2023-04-01 13:57:46,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:57:46,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607852331] [2023-04-01 13:57:46,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:57:46,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:57:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:57:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-04-01 13:57:47,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:57:47,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607852331] [2023-04-01 13:57:47,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607852331] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 13:57:47,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059034757] [2023-04-01 13:57:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:57:47,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 13:57:47,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:57:47,063 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) [2023-04-01 13:57:47,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 13:57:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:57:48,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 4746 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 13:57:48,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 13:57:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 13:57:48,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 13:57:48,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059034757] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:57:48,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 13:57:48,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-04-01 13:57:48,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820026195] [2023-04-01 13:57:48,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:57:48,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 13:57:48,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:57:48,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 13:57:48,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-04-01 13:57:48,132 INFO L87 Difference]: Start difference. First operand 8606 states and 11459 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 13:57:58,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 13:58:00,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 13:58:01,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:58:01,633 INFO L93 Difference]: Finished difference Result 20207 states and 26932 transitions. [2023-04-01 13:58:01,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 13:58:01,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 220 [2023-04-01 13:58:01,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:58:01,677 INFO L225 Difference]: With dead ends: 20207 [2023-04-01 13:58:01,677 INFO L226 Difference]: Without dead ends: 14305 [2023-04-01 13:58:01,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2023-04-01 13:58:01,694 INFO L413 NwaCegarLoop]: 2824 mSDtfsCounter, 2453 mSDsluCounter, 13460 mSDsCounter, 0 mSdLazyCounter, 1885 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 16284 SdHoareTripleChecker+Invalid, 1887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-04-01 13:58:01,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 16284 Invalid, 1887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1885 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2023-04-01 13:58:01,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14305 states. [2023-04-01 13:58:02,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14305 to 14242. [2023-04-01 13:58:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14242 states, 8181 states have (on average 1.2428798435399095) internal successors, (10168), 8440 states have internal predecessors, (10168), 4374 states have call successors, (4374), 1689 states have call predecessors, (4374), 1686 states have return successors, (4432), 4344 states have call predecessors, (4432), 4372 states have call successors, (4432) [2023-04-01 13:58:02,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14242 states to 14242 states and 18974 transitions. [2023-04-01 13:58:02,159 INFO L78 Accepts]: Start accepts. Automaton has 14242 states and 18974 transitions. Word has length 220 [2023-04-01 13:58:02,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:58:02,161 INFO L495 AbstractCegarLoop]: Abstraction has 14242 states and 18974 transitions. [2023-04-01 13:58:02,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 13:58:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 14242 states and 18974 transitions. [2023-04-01 13:58:02,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-04-01 13:58:02,173 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:58:02,173 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 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] [2023-04-01 13:58:02,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 13:58:02,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-01 13:58:02,392 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:58:02,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:58:02,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1445786706, now seen corresponding path program 1 times [2023-04-01 13:58:02,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:58:02,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688456015] [2023-04-01 13:58:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:58:02,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:58:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:58:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 13:58:03,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:58:03,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688456015] [2023-04-01 13:58:03,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688456015] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 13:58:03,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362310099] [2023-04-01 13:58:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:58:03,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 13:58:03,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:58:03,130 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) [2023-04-01 13:58:03,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 13:58:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:58:04,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 4748 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 13:58:04,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 13:58:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 13:58:04,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 13:58:04,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362310099] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:58:04,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 13:58:04,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-01 13:58:04,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240016758] [2023-04-01 13:58:04,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:58:04,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 13:58:04,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:58:04,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 13:58:04,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-01 13:58:04,251 INFO L87 Difference]: Start difference. First operand 14242 states and 18974 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31)